* Torrubia sphecocephala (Klotzsch ex Berk.)

Ophiomyia lantanae is a fly native to the Americas, from the southern US to Brazil but had been introduced also to Australia as biological control agent of Lantana camara in 1914.

Ophionautilus

Ophioglossolambis digitata is a species of sea snail, a marine gastropod mollusk in the family Strombidae, the true conchs.

Ophiolimna is a genus of brittle stars.

Ophioderma falcatum is known as puapua moa or laukahi in Hawaii. It is a fern in the Ophioglossaceae family, and many people still classify it as an Ophioglossum. Some consider it a subspecies of Ophioderma pendulum. An epiphyte, it is native to the Hawaiian islands except for Ni'ihau and Kaho'olawe. It also grows on some other Pacific islands.

Ophiocoma is a genus of brittle star belonging to the family Ophiocomidae.

Ophiodermella cancellata is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

The Ophiocistioidea is a class of extinct echinoderms from the Palaeozoic.Ophiocistioids had a flattened dome-shaped body encased in a solid test of calcareous plates, similar to that of a modern sea urchin. The mouth was at the apex of the dome, and surrounded by a set of five jaws. The animals apparently did not have an anus, but a madreporite was on the upper surface, surrounded by what appear to be genital pores for the release of gametes.Five ambulacra radiated outwards from the mouth across the upper surface, but did not extend onto the flat underside. Each had three unusually large tube feet at the margin of the dome. Unlike normal tube feet, these were covered in small bony scales, and therefore remain visible in fossils.See also List of echinodermata orders.

Ophiobolus cannabinus is a plant pathogen that causes stem canker on hemp.

Ophioceras

Ophiogomphus acuminatus is a species of dragonfly in the family Gomphidae. It is endemic to the United States. Its natural habitat is rivers.

Ophiorrhabda mysterica

Ophiorosellinia costaricensis

Ophiocara is a genus of sleeper gobies native to tropical waters of Indo-Pacific.

Ophiorrhabda mysterica is a species of moth of the Tortricidae family. It is found in Australia, where it has been recorded from Queensland.The wingspan is 17–18 mm. The forewings are whitish, partly purple tinged, with green and fuscous irroration (speckling) and dark green markings, partly mixed with dark fuscous. The hindwings are fuscous, with a grey basal line and purple tinged at the apex.

Ophidiophilia is defined as the attraction to snakes; it is the opposite of ophidiophobia (the fear of snakes). Ophidiophilia is a subcategory of zoophilia, the sexual attraction to animals in general. People with ophidiophilia are known as ophidiophiles. Ophidiophilia doesn't always appear as sexual attraction, some ophidiophiles are attracted to snakes on a platonic (non-sexual) level.Ophidicism (an act associated with ophidiophilia) is a sexual act in which a woman inserts the tail of a snake or eel in her vagina or anus, and receives pleasure as it wriggles to get free. It can be dangerous in that some reptiles carry salmonella. Ophidicism has been documented as being practiced (as well as many other sexual acts) in Ancient Greece. Variations include inserting the snake/eel headfirst.The snake is an ancient symbol of fertility and sexuality.

Ophioprason

* Pterocera violacea (Swainson, 1821) (basionym)

Ophioglossophyta

Ophioscorodon

*Ophiacantha (Ophiotreta) danae Mortensen, 1933

Ophiel

Ophiomusium

Ophiolechia contrasta is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Brazil.

Ophiogomphus aspersus

Ophionautilus is an extinct genus of prehistoric nautiloids. The nautiloids are a subclass of shelled cephalopods that were once diverse and numerous but are now represented by only a handful of species.

Ophiodes cameronis

Ophiolechia contrasta

Ophidium parrii

Ophiocoma scolopendrina is a species of brittle star belonging to the family Ophiocomidae.

Ophioglossum pusillum is a species of fern in the family Ophioglossaceae known by the common name northern adder's tongue.It is native to northern North America, where it is widespread in moist areas such as marshes, fens, and meadows. It is found from northern California through Alaska on the west, and from central Appalachia through the northern Great Plains and the Great Lakes regions, across the Northeastern United States and Eastern Canada.

Ophiodermella fancherae is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

Ophioderma is the scientific name of two genera of organisms and may refer to:Ophioderma (echinoderm), a genus of sea stars in the family OphiodermatidaeOphioderma (plant), a genus of ferns in the family Ophioglossaceae

Ophiocordyceps myrmecophila is a species of fungus that parasitizes insect hosts, in particular members of the order Hymenoptera.

Ophioderma (fern)

Ophiomyia

Ophionella is a species of plants in the Apocynaceae first described as a genus in 1981. It contains only one accepted species, Ophionella arcuata, native to Eastern Cape Province of South Africa.

Ophiocoma scolopendrina

Ophiocaryon

Ophiolechia arida is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Brazil.

Ophioderma falcatum

Ophiomeris

Ophionea is a genus of beetles in the family Carabidae, containing the following species:Ophionea australica Baehr, 1996Ophionea bakeri Dupuis, 1913Ophionea bhamoensis Bates, 1892Ophionea brandti Baehr, 1996Ophionea celebensis Baehr, 1996Ophionea ceylonica Baehr, 1996Ophionea foersteri Bouchard, 1903Ophionea gestroi Maindron, 1910Ophionea hoashii Habu, 1962Ophionea indica (Thunberg, 1784)Ophionea insignis (Baehr, 1997)Ophionea interstitialis Schmidt-Gobel, 1846Ophionea ishiii Habu, 1961Ophionea leytensis Baehr, 1996Ophionea malickyi Baehr, 1996Ophionea micronota Andrewes, 1937Ophionea nigrofasciata Schmidt-Gobel, 1846Ophionea puncticollis Sloane, 1923Ophionea storeyi Baehr, 1996Ophionea thouzeti Castelnau, 1867

Ophiodes parcemacula

Ophiopholis aculeata

Ophiocordyceps coenomyia

Ophionereis reticulata, the reticulated brittle star, is a brittle star in the family Ophionereididae. It is found in shallow parts of the western Atlantic, Caribbean Sea and Gulf of Mexico.

Ophiogomphus cecilia

* Cordyceps sphecocephala (Klotzsch ex Berk.) Berk. & M.A. Curtis (1869)

Ophiopogon mollis

Ophiocomina nigra

Ophiolecia acuta

Ophioglossales

Ophiomyia is genus of Diptera (fly) in the family of Agromyzidae.

Ophiophagy (Greek ὄφις + φαγία "snake eating") is a specialized form of feeding or alimentary behavior of animals which hunt and eat snakes. There are ophiophagous mammals (such as the skunks and the mongooses), birds (such as snake eagles, the secretarybird, and some hawks), lizards (such as the common collared lizard), and even other snakes, such as the Central and South American mussuranas and the North American common kingsnake. The genus of the venomous king cobra (Ophiophagus hannah) is named for this habit.

Ophiocordyceps arborescens

Ophioderma pendulum is sometimes known as the old-world adder's-tongue. In Malaysia, it is known as daun rambu. It is a fern in the family Ophioglossaceae, and is the type species of the genus Ophioderma.Ophioderma pendulum is a common epiphyte in the East Indies.

Ophiolechia

Ophiopetra

Ophiel is an Olympian spirit in the grimoire known as the Arbatel de magia veterum. He rules over Mercury.OPHIEL is the ruler of those things which are attributed to Mercury; he gives familiar spirits, teaches all arts, and enables the possessor of his character to change quicksilver immediately into the Philosopher's Stone.

Ophionectria
Ophionectria is a genus of fungi in the Nectriaceae family.

Ophiorrhabda philocompsa

Ophiolepididae are a family of brittle stars of the suborder Ophiurina. It includes both deep-sea and shallow-water species.

Ophioglossum vulgatum, commonly known as adder's-tongue, southern adders-tongue or adders-tongue fern, is a species of fern in the family Ophioglossaceae.

Ophiodeira

Ophiogomphus howei, the pygmy snaketail, is a species of dragonfly in the family Gomphidae. It is endemic to the United States. Its natural habitat is rivers.

Ophionella

Ophioparma

Ophiocomidae are a family of brittle stars of the suborder Ophiurina.

Ophioglossolambis violacea is a species of large sea snail, a marine gastropod mollusk in the family Strombidae family, the true conchs and their allies.

Ophiocordyceps camponoti-novogranadensis is a species of fungus that parasitizes insect hosts, in particular members of the order Hymenoptera. It was first isolated from Parque Estadual de Itacolomi in Ouro Preto, at an altitude of 1,000 metres (3,300 ft), on Camponotus novogranadensis.

Ophiolatry is a Brazilian death metal band formed in 1998. The name was derived from a term meaning "the worship of serpents".

Ophiolechia spinifera is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Brazil.

Ophiolechia triangula is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Brazil.

Ophiogomphus aspersus, the brook snaketail, is a species of clubtail in the family of dragonflies known as Gomphidae. It is found in North America.The IUCN conservation status of Ophiogomphus aspersus is "LC", least concern, with no immediate threat to the species' survival. The population is stable.

Ophiodermella ogurana is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

Ophiodes catocalina

Ophiopogon pallidus

Ophiogomphus cecilia, the green snaketail, green gomphid, or green club-tailed dragonfly is a species of dragonfly in the family Gomphidae. It is found in Austria, Belarus, Bulgaria, China, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Hungary, Italy, Latvia, Lithuania, Luxembourg, Moldova, Poland, Portugal, Romania, Russia, Slovakia, Slovenia, Sweden, Switzerland, Turkey, and Ukraine.

Ophiolechia marginata is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Brazil.

Ophiognomonia leptostyla

Ophioninae is a worldwide subfamily of Ichneumonidae with 32 genera, and very rich in tropical regions. They are koinobiont endoparasitoids of larval Lepidoptera, though at least one species parasitizes Scarabaeidae (Coleoptera). They are among the only Parasitica whose ovipositors can be used to sting vertebrates. The pupae are ovoid with a central clear band characteristic for this subfamily. Ophionines are typically fairly large, orange, slender insects with compressed, curved abdomens.

Ophiomeliola is a genus of fungi within the Meliolaceae family.

Ophiolatry

Ophioglossolambis digitata

Ophiopholis aculeata, the crevice brittle star or daisy brittle star, is a species of brittle star in the family Ophiactidae. It has a circum-polar distribution and is found in the Arctic Ocean, the northern Atlantic Ocean and the northern Pacific.

Sirococcus clavigignenti-juglandacearum is a mitosporic fungus that causes the lethal disease of butternut trees (Juglans cinerea), butternut canker. It is also known to parasitize other members of the Juglans genus on occasion, and very rarely other related trees including hickories. The fungus is found throughout North America, occurring on up to 91% of butternut trees, and may be threatening the viability of butternut as a species.

Ophioleuce

Ophioceratidae

Ophiorrhabda philocompsa is a moth of the Tortricidae family. It is found in Thailand and Java.

Ophione

Ophiodes indistincta

Ophiolechia ophiomorpha

Ophiocordyceps arborescens is an entomopathogenic fungus belonging to the order Hypocreales (Ascomycota) in the family Ophiocordycipitaceae. It produces superficial, oval perithecia at the apex of its stroma, and also multiseptate ascospores, while producing Hirsutella-type anamorphs on growth culture media. They are particularly distinguished by the shape and size of their stroma.

Ophiodes mejanesi

Ophiocordyceps macroacicularis is an entomopathogenic fungus belonging to the order Hypocreales (Ascomycota) in the family Ophiocordycipitaceae, which parasitize moth larvae. It produces superficial, oval perithecia at the apex of its stroma, and also multiseptate ascospores, while producing Hirsutella-type anamorphs on growth culture media. They are particularly distinguished by the shape and size of their stroma.

Ophiogomphus howei

Ophiolechia ophiomima is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Brazil.

Ophiolechia semiochrea is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Brazil.

Ophiobolus oryzinus

Ophiocoma lubrica

Ophioirenina is a genus of fungi in the family Meliolaceae.

Ophieulima

Ophiomassaria is a genus of fungi in the class Sordariomycetes. The relationship of this taxon to other taxa within the class is unknown (incertae sedis).

Ophiophagy

Ophiorosellinia

Ophiopsis is an extinct genus of prehistoric ray-finned fish.

The Ophiocistioidea is a class of extinct echinoderms from the Palaeozoic.Ophiocistioids had a flattened dome-shaped body encased in a solid test of calcareous plates, similar to that of a modern sea urchin. The mouth was at the apex of the dome, and surrounded by a set of five jaws.

Nortitaceae

Ophiocordycipitaceae is a family of parasitic fungi in the Ascomycota, class Sordariomycetes.

Ophiocordyceps camponoti-melanotici is a species of fungus that parasitizes insect hosts, in particular members of the order Hymenoptera. It was first isolated from Viçosa, Minas Gerais, on Camponotus melanoticus.

Ophiobolus cannabinus

Ophion

Ophioglossolambis is a genus of sea snails, marine gastropod mollusks in the family Strombidae, the true conchs.

Ophiodes is a genus of lizards from South America.

Ophiorrhabda phaeosigma is a species of moth of the Tortricidae family. It is found in Australia, where it has been recorded from the Northern Territory.The wingspan is about 18 mm. The forewings are reddish purple, mixed with whitish and intermediate shades. The hindwings are ochreous brown.

Ophioderma is a genus of brittle stars in the family Ophiodermatiidae.

Ophiognomonia

The Ophioparmaceae are a family of fungi in the Ascomycota, class Lecanoromycetes. Its relationship to other taxa in the Lecanoromycetes is not well understood, so it is considered to be incertae sedis with respect to ordinal placement.

Ophioarachnicola

Ophiocordyceps sphecocephala is a species of parasitic fungus. It is entomopathogenic, meaning it grows within insects, particularly wasps of the genera Polistes, Tachytes, and Vespa. It has been reported across the Americas and China.Physically, its stromata can be 2–10 cm long, and form an egg-shaped head. It is cream or yellow in color.The fungus has possible implications in medicine; it may have anti-asthmatic or anti-cancer properties.

*Ophiocoma tumida( Müller & Troschel, 1842)

Ophiographa

Ophiogomphus

Ophioleuce is a genus of brittle stars.

Ophiodes triphaenoides

Ophiopogon chingii, is a small ground cover evergreen perennial. It grows from short rhizomes, and bears tufts of leaves, from which flowers emerge in racemes held on short stems above the leaves. The foliage is curly and green with neon blue berries in the summer. It is native to Japan.This small plant can grow to 6 inches. Commonly found in Japanese style gardens and used for underplanting due to its texture.

Ophiodon ozymandias is an extinct species of lingcod from the Late Miocene of Southern California. Fossils suggest the living animal could have reached up to 6 feet in length.

Ophiocephalus amphibius

Ophionyssus

Ophioglossolambis violacea

Ophiobolus anguillides is a plant pathogen that causes stem canker on hemp.

Ophionectria portoricensis is a species of fungus that was first described by Carlos E. Chardón in 1921.

Ophionella arcuata

Ophiolysin (EC 3.4.24.51, Ophiophagus metalloendopeptidase) is an enzyme. This enzyme catalyses the following chemical reactionCleavage of Asn3-Gln, Gln4-His, His10-Leu, Ala14-Leu, and Tyr16-Leu in insulin B chainThis endopeptidase is present in the venom of the king cobra (Ophiophagus hannah)

Ophioneus

Ophiocoma

Ophiocomina nigra, commonly known as the black brittle star or black serpent star, is a species of marine invertebrate in the order Ophiurida. It occurs in the north-eastern Atlantic Ocean, the North Sea and the Mediterranean Sea.

Ophiocordyceps camponoti-rufipedis is a species of fungus that parasitizes insect hosts, in particular members of the order Hymenoptera. It was first isolated from Viçosa, Minas Gerais, at an altitude of 700 metres (2,300 ft) on Camponotus rufipes.

Ophiocanops fugiens

Ophioglossidae

Ophiolamia is a genus of parasitic sea snails, marine gastropod mollusks in the family Eulimidae.

Ophiodon elongatus

Ophiogobius is a genus of gobies native to the coastal Pacific and Atlantic waters of southern South America.

*Ophiacantha valenciennesi sensu Lieberkind, 1929

Ophiopsis

Ophiodermella is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae.

Ophiopogon chingii

Ophioglossaceae

*Argyroploce philocompsa (Meyrick, 1921)

Ophiocistioidea

Ophiorrhabda

Ophiogomphus australis is a dragonfly in the genus Ophiogomphus ("snaketails"), in the family Gomphidae ("clubtails"). Common names are "southern snaketail" and "perennial sow thistle". Ophiogomphus australis is found in North America.The IUCN conservation status of Ophiogomphus australis is "EN", endangered. The species faces a high risk of extinction in the near future. The population is decreasing.

Ophiolechia is a genus of moth in the family Gelechiidae.

Ophiopogon thunbergii

Reticulated brittle star

Ophiomorus tridactylus, commonly known as the three-toed snake skink, is a species of skink endemic to sandy desert areas of South Asia. It is also called the Indian sand-swimmer for its habit of moving just under the sand.

Ophioceras is a genus of fungi in the family Magnaporthaceae.

Ophiocephalus amphibeus

Ophiocordyceps formicarum

*Ophiocoma nigru (Abildgaard, in O.F. Müller, 1789)

Ophiolechia triangula

Ophioceratidae is an extinct family of cephalopods belonging to the Ammonite order Ceratitida and superfamily Noritaceae.

Ophiolechia arida

Ophiophagy (Greek ὄφις + φαγία "snake eating") is a specialized form of feeding or alimentary behavior of animals which hunt and eat snakes. There are ophiophagous mammals (such as the skunks and the mongooses), birds (such as snake eagles, the secretarybird, and some hawks), lizards (such as the common collared lizard), and even other snakes, such as the Central and South American mussuranas and the North American common kingsnake.

In some versions of Greek mythology, Ophion (; Greek: Ὀφίων "serpent"; gen.: Ὀφίωνος), also called Ophioneus (Ὀφιονεύς) ruled the world with Eurynome before the two of them were cast down by Cronus and Rhea.

Ophiogomphus acuminatus

Ophiopsila aranea

Ophiocoma wendtii is a species of brittle stars that inhabits coral reefs from Bermuda to Brazil. It is known for its advanced compound eyes.Brittle stars have long, thin arms emanating from a small, disk-shaped body and are about the size of an outstretched human hand. They belong to the phylum of echinoderms, which includes sea urchins, sea cucumbers, and sea stars.

Ophiodon

Ophiolamia

Ophioderma

Ophiobolus heterostrophus

Ophiocephalus

Ophiolites

Ophiociliomyces is a genus of fungi within the Meliolaceae family.

Ophiocordyceps coenomyia is an entomopathogenic fungus belonging to the order Hypocreales (Ascomycota) in the family Ophiocordycipitaceae. It is parasitic to awl-fly larvae. This species is characterized by a globose, alutaceous fertile part at the apex of its light yellow stroma, its immersed perithecia, and ascospores dividing in turn into partspores. The species is closely related to O. heteropoda.

Ophiolechia acuta

Ophiocordyceps robertsii, known in New Zealand as vegetable caterpillar (Māori: āwhato or āwheto) is an entomopathogenic fungus belonging to the order Hypocreales (Ascomycota) in the family Ophiocordycipitaceae. It invades the caterpillars of leaf-litter dwelling moths and turns them into fungal mummies, sending up a fruiting spike above the forest floor to shed its spores. Caterpillars eat the spores whilst feeding on leaf litter to complete the fungal life cycle. Evidence of this fungus can be seen when small brown stems push through the forest floor: underneath will be the dried remains of the host caterpillar. This species was first thought by Europeans to be a worm or caterpillar that burrowed from the top of a tree to the roots, where it exited and then grew a shoot of the plant out of its head. It was the first fungus named in New Zealand.

Ophiodes trapezium

Ophiodes dianaris

Ophiomorus latastii is a species of skink, a lizard in the family Scincidae.

*Ophiocoma nilssoni Müller & Troschel, 1842

Ophiodermatidae are a family of brittle stars in the suborder Ophiurina.

* Pterocera multipes (G.B. Sowerby II, 1842)

Ophioglypha texturata

Ophiomorus tridactylus

Spiny ophiocoma

Ophiolepis nereis

Ophiolepis tenuis

Ophiolepis sexradia

Ophiolechia stulta

Ophiodes separans

Ophiogomphus australis

Ophioirenina

Ophiodermella

Ophioceras (fungus)

Ophiocaryon is a small genus of flowering plants in the family Sabiaceae found mainly in the Guayana Shield and Amazon basin in South America.

Ophioptera

Ophioninae

Ophiobolus graminis

Ophiobolus anguillides

Ophiodes ponderosa

Ophiolimna

Ophiodermatidae

Ophiomorus punctatissimus

Ophioglossales (lit. 'snake-tongue [plants]') are a small group of pteridophyte plants. Traditionally they are included in the division Pteridophyta, the ferns, originally as a family and later as the order Ophioglossales. In some classifications this group is placed in a separate division, the Ophioglossophyta, but recent molecular systematic studies have shown the Ophioglossales to be closely related to the Psilotales.In the molecular phylogenetic classification of Smith et al. in 2006, Ophioglossales, in its present circumscription, was placed with the order Psilotales in the class Psilotopsida. The linear sequence of Christenhusz et al. (2011), intended for compatibility with the classification of Chase and Reveal (2009) which placed all land plants in Equisetopsida, made it a member of subclass Ophioglossidae, equivalent to Smith's Psilotopsida. The placement of Ophioglossales in subclass Ophioglossidae has subsequently been followed in the classifications of Christenhusz and Chase (2014) and PPG I (2016).Older treatments have recognized segregate families within Ophioglossales such as Botrychiaceae for the moonworts and grape ferns and Helminthostachyaceae for Helminthostachys, but all modern treatments combine all members of the order into the single family Ophioglossaceae.The plants have short-lived spores formed in sporangia lacking an annulus, and borne on a stalk that splits from the leaf blade; and fleshy roots. Many species only send up one frond or leaf-blade per year. A few species send up the fertile spikes only, without any conventional leaf-blade. The gametophytes are subterranean. The spores will not germinate if exposed to sunlight, and the gametophyte can live some two decades without forming a sporophyte.The genus Ophioglossum has the highest chromosome counts of any known plant. The record holder is Ophioglossum reticulatum, with about 630 pairs of chromosomes (1260 chromosomes per cell).

Pygmy snaketail

Ophiolechia semiochrea

Ophiodea

Ophiodes pelor

Ophiocanops fugiens is the only one living species in the brittle star family Ophiocanopidae. It has been regarded as the most primitive brittle star, close to Paleozoic forms, though other authors have disagreed with the view. Ophiocanops is usually placed in the order Oegophiurida (suborder Zeugophiurina) or regarded as a genus incertae sedis or even given its own subclass Oegophiuridea.

Ophiobostryx volubilis

*Torrubia myrmecophila (Ces.) Tul. & C. Tul.)

Ophiophagus hannah

Ophiolechia crassipennis is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Argentina.

Ophioglossum pusillum

Ophiodes adusta

Ophiociliomyces

Ophioceras is a genus of closely coiled tarphycerid nautiloid cephalopods, the sole representatives of the family Ophidioceratidae, characterized by an evolute shell with narrow, subrounded, annulated whorls and a subcentral siphuncle composed of thin connecting rings that show no evidence of layering. The mature body chamber is strongly divergent and is the longest proportionally of any tarphycerid. The aperture has a deep hyponomic sinus and ocular sinuses, and so resembles some lituitids.Ophioceras seem to have its origin in the Trocholitidae, possibly in Graftonoceras. Ophioceras has a narrow, evolutly wound, closely coiled shell that diverges in the adult stage. The shell is more or less circular in cross section, strongly annulate with close spaced, rounded, transverse ribs. The venter is bicarinate, with keels along either side separated by a flattened surface. The siphuncle is tubular and thin walled, and may be slightely ventral or dorsal of the center. The adult aperture has deep hypononic and ocular sinuses, not too dissimilar from the Ordovician Lituites, to which this genus is possibly allied.Some 12 species have been described which have been reduced to two, Ophioceras rudens Barrande, 1865 and O. simplex Barrande, 1865 with two subspecies, O. simplex simplex and O. s. proximum. Minor evolutionary changes can be observed within both species, which In spite of their widespread distribution do not demonstrate any major geographical variations.

Ophilobus getulus

Ophiocanops fugiens is the only one living species in the brittle star family Ophiocanopidae. It has been regarded as the most primitive brittle star, close to Paleozoic forms, though other authors have disagreed with the view. Ophiocanops is usually placed in the order Oegophiurida (suborder Zeugophiurina) or regarded as a genus incertae sedis or even given its own subclass Oegophiuridea. Some recent data suggest its relationship to the extant family Ophiomyxidae (it would thus belong to the order Phrynophiurida).

Ophiocoma crassispina

Ophiogomphus severus

Ophioglossolambis

Ophiodermella grippi

Ophiolechia crassipennis

Ophiologist

Ophiocomidae

Ophiogobius

Ophioderma palmata

Ophiomorpha

Ophioscorodon ursinum

Ophiocephalus marmoratus

Ophiocoma variabilis

Ophiocoma wendtii

Ophiolechia ophiomorpha is a moth in the Gelechiidae family. It was described by Meyrick in 1935. It is found in Argentina.The wingspan is about 16 mm. The forewings are fuscous, rosy-tinged towards the base and with a fine black very oblique line crossing the fold from near the base to one-fourth. There is a blackish streak, suffused above and partially reddish-tinged in the disc, from the costa at one-sixth to fold at one-third of the wing, then angulated upwards to the middle of the disc, forming an arch edged whitish beneath, then continued straight through the middle of the disc to the apex. The hindwings are slaty grey.

Ophiopogon planiscapus

Ophiognomonia clavigignenti-juglandacearum

Ophiocordyceps formicarum is an entomopathogenic fungus belonging to the order Hypocreales (Ascomycota) in the family Ophiocordycipitaceae. The fungus was first described by mycologist George S. Kobayashi in 1939 as a species of Cordyceps. Originally found in Japan growing on an adult Hercules ant (Camponotus herculeanus var. obscuripes), it was reported from Guizhou, China, in 2003. It was transferred to the new genus Ophiocordyceps in 2007 when the family Cordycipitaceae was reorganized.

Ophiopogon planiscapus is a species of flowering plant in the family Asparagaceae. It is a small evergreen perennial growing to 20 cm (8 in) tall by 30 cm (12 in)wide. It grows from short rhizomes, and bears tufts of grasslike leaves, from which purple or white flowers emerge in racemes held on short stems above the leaves. It is native to Japan, where it grows on open and forested slopes.

Ophiolepididae

Ophiodermella cancellata

* Sphaeria sphecocephala (Klotzsch ex Berk. (1843)

Ophioparmaceae

Ophiocara

Ophiolechia ophiomima

Ophiocordycipitaceae

Ophieulima is a genus of parasitic sea snails, marine gastropod mollusks in the family Eulimidae.

* Pterocera novemdactylis (Deshayes, 1843)

Ophiocoma echinata

Ophioglossopsida

Ophiophagus

Ophiolysin

Ophiodermella ogurana

Ophiopogon

Ophionea

Ophiocordyceps myrmecophila

Ophiocordyceps camponoti-novogranadensis

Ophiodes parallelipipeda

Ophiocordyceps is a genus of fungi within the family Ophiocordycipitaceae. The widespread genus, first described scientifically by British mycologist Tom Petch in 1931, contains about 140 species that grow on insects. Anamorphic genera that correspond with Ophiocordyceps species are Hirsutella, Hymenostilbe, Isaria, Paraisaria, and Syngliocladium.One species complex, Ophiocordyceps unilateralis, is known for its parasitism on ants, in which it alters the behavior of the ants in such a way as to propagate itself more effectively, killing the ant and then growing its fruiting bodies from the ant's head and releasing its spores.

Ophioglossoid fern

Ophiodermella grippi is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

Ophiodes remigioides

Ophimonocleide

Ophioglossum vulgatum

Ophiocoma echinata, the spiny ophiocoma, is a species of brittle star belonging to the family Ophiocomidae. It is the type species of the genus Ophiocoma and is found in the tropical west Atlantic Ocean, the Caribbean Sea and the Gulf of Mexico.

Ophiops jerdonii

Ophiocordyceps camponoti-rufipedis

Ophiobostryx

Ophiocordyceps

Ophiocordyceps robertsii

Ophiodeira is a genus of fungi in the family Halosphaeriaceae. This is a monotypic genus, containing the single species Ophiodeira monosemeia.

Ophiogomphus incurvatus

Ophioglossales (lit. 'snake-tongue [plants]') are a small group of pteridophyte plants. Traditionally they are included in the division Pteridophyta, the ferns, originally as a family and later as the order Ophioglossales. In some classifications this group is placed in a separate division, the Ophioglossophyta, but recent molecular systematic studies have shown the Ophioglossales to be closely related to the Psilotales.In the molecular phylogenetic classification of Smith et al.

Ophiopsila aranea is a species of brittle stars belonging to the family Ophiocomidae. It is the type species of the genus Ophiopsila

*Asterias nigra Abildgaard, in O.F. Müller, 1789

Ophiocephalus melasoma

Ophiogomphus incurvatus ssp. alleghaniensis Carle, 1982

Ophiocordyceps robertsii, known in New Zealand as vegetable caterpillar (Māori: āwhato or āwheto) is an entomopathogenic fungus belonging to the order Hypocreales (Ascomycota) in the family Ophiocordycipitaceae. It invades the caterpillars of leaf-litter dwelling moths and turns them into fungal mummies, sending up a fruiting spike above the forest floor to shed its spores. Caterpillars eat the spores whilst feeding on leaf litter to complete the fungal life cycle.

Ophioglossaceae, the adder's-tongue family, is a family of ferns (though some studies have instead suggested a closer relationship to angiosperms), currently thought to be most closely related to Psilotaceae, the two together comprising the class Ophioglossidae as the sibling group to the rest of the ferns. The Ophioglossaceae is one of two groups of ferns traditionally known as eusporangiate ferns.

Ophioparma is a genus of lichenized fungi within the Ophioparmaceae family.

Ophiolechia marginata

Ophiomeliola

* Strombus digitatus (Perry, 1811) (basionym)

Ophiopogon minor

Ophioglossidae is a subclass of Polypodiopsida (ferns). This subclass consists of the ferns commonly known as whisk ferns, grape ferns, adder's-tongues and moonworts. It is equivalent to the class Psilotopsida in previous treatments, including Smith et al. (2006).

Ophiopogon (lilyturf) is a genus of evergreen perennial plants native to warm temperate to tropical east, southeast, and south Asia. Despite their grasslike appearance, they are not closely related to the true grasses Poaceae. The name of the genus is derived from Greek Όφις ophis, "snake", and πόγὦν pogon, "beard", most probably referring to its leaves and tufted growth. In the APG III classification system, it is placed in the family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae). Like many lilioid monocots, it was formerly classified in the Liliaceae.They grow from short rhizomes, and bear tufts of leaves, from which flowers emerge in racemes held on short stems above the leaves.Species

Ophioglossum filiforme

Ophion macrurum

Ophiocephalus harcourt-butleri

Ophiomassaria

Ophiobolus cariceti

Ophiodes

Ophiodes hottentota

Ophiolechia spinifera

Ophiopogon (lilyturf) is a genus of evergreen perennial plants native to warm temperate to tropical east, southeast, and south Asia. Despite their grasslike appearance, they are not closely related to the true grasses Poaceae. The name of the genus is derived from Greek Όφις ophis, "snake", and πόγὦν pogon, "beard", most probably referring to its leaves and tufted growth.

Ophiocordyceps camponoti-melanotici

Ophiomusium is a genus of brittle stars.

Ophiolatry (band)

Ophioderma (genus)

Ophioderma pendulum

Ophiology

Ophiomorpha is an ichnotaxon, usually interpreted as a burrow of an organism (specifically a crustacean) living in the near-shore environment. The burrow lining is more or less smooth on the inside, and densely to strongly mammalated or nodose on the outside, due to the packing of fecal pellets for support of the burrow. Branching is irregular but Y-shaped where present. It (particularly O. nodosa) is often considered part of the Skolithos ichnofacies, where it has occurred (i.e. nearshore environments) since the early Permian, though it (particularly O. rudis) has also occurred in deep water settings (Nereites ichnofacies) since the Late Jurassic, such as well-oxygenated turbidites.More generally Ophimorpha and other crustacean-generated burrows first become prominent in the Jurassic.

Ophiolechia ophiomorpha is a moth in the Gelechiidae family. It was described by Meyrick in 1935. It is found in Argentina.The wingspan is about 16 mm. The forewings are fuscous, rosy-tinged towards the base and with a fine black very oblique line crossing the fold from near the base to one-fourth.

Ophiorosellinia is a genus of fungi in the family Xylariaceae. This is a monotypic genus, containing the single species Ophiorosellinia costaricensis.

The genus Ophioderma are distinctive ferns (or fern-allies) in the family Ophioglossaceae. Ophioderma is closely related to, and sometimes treated as a subgenus of, the genus Ophioglossum. It includes the genus formerly known as Cheiroglossa. Recent genetic analysis has indicated that the two genera should be treated as one, and Ophioderma has precedence by being validly published at an earlier date. The type species is Ophioderma pendulum.
Ophioderma (plant)

Ophiomyia lantanae

Ophidiophilia is defined as the attraction to snakes; it is the opposite of ophidiophobia (the fear of snakes). Ophidiophilia is a subcategory of zoophilia, the sexual attraction to animals in general. People with ophidiophilia are known as ophidiophiles.

Ophioarachnicola is a genus of parasitic sea snails, marine gastropod mollusks in the family Eulimidae.

Ophiocordyceps macroacicularis

Ophiogomphus incurvatus is a species of dragonfly in the family Gomphidae. It is endemic to the United States. Its natural habitat is intermittent rivers.

Ophioblennius fernandezensis

Ophionereis reticulata

Ophidiophilia

Ophiopetra is a genus of prehistoric brittle stars. It lived in lagoons in Solnhofen Plattenkalk Formation. It has only one known species, Ophioptera lithographica.

Ophiolechia acuta is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Argentina.

Ophiorrhabda is a genus of moths belonging to the Tortricidae family.

Ophiorrhabda phaeosigma

Ophioceras is a genus of closely coiled tarphycerid nautiloid cephalopods, the sole representatives of the family Ophidioceratidae, characterized by an evolute shell with narrow, subrounded, annulated whorls and a subcentral siphuncle composed of thin connecting rings that show no evidence of layering. The mature body chamber is strongly divergent and is the longest proportionally of any tarphycerid.

Ophioclinus gabrieli

Ophiocordyceps sphecocephala

Ophioblennius xiphiodon

Ophiocoma molaris

Ophiocordyceps is a genus of fungi within the family Ophiocordycipitaceae. The widespread genus, first described scientifically by British mycologist Tom Petch in 1931, contains about 140 species that grow on insects.

Ophiolechia stulta is a moth in the Gelechiidae family. It was described by Sattler in 1996. It is found in Brazil.

Ophiocanopidae

Ophioderma (echinoderm)

Ophiophobe

Ophiodon ozymandias

Ophidium aculeatum

Ophiophobia

* Cordyceps sphaecophila (Klotzsch ex Berk.) Berk. &

Ophiodes cuprea

Ophiocordyceps formicarum is an entomopathogenic fungus belonging to the order Hypocreales (Ascomycota) in the family Ophiocordycipitaceae. The fungus was first described by mycologist George S. Kobayashi in 1939 as a species of Cordyceps. Originally found in Japan growing on an adult Hercules ant (Camponotus herculeanus var. obscuripes), it was reported from Guizhou, China, in 2003. It was transferred to the new genus Ophiocordyceps in 2007 when the family Cordycipitaceae was reorganized. A technique has been developed to grow the fungus in an agar growth medium supplemented with yeast extract, inosine, and glucose.

Ophiodermella fancherae

Ophiobolus sativus

Ophiodes orthogramma

Ophidiphobia

Ophiomorpha is an ichnotaxon, usually interpreted as a burrow of an organism (specifically a crustacean) living in the near-shore environment. The burrow lining is more or less smooth on the inside, and densely to strongly mammalated or nodose on the outside, due to the packing of fecal pellets for support of the burrow. Branching is irregular but Y-shaped where present. It (particularly O. nodosa) is often considered part of the Skolithos ichnofacies, where it has occurred (i.e.

Ophiognomon

Ophiodes tettensis

Ophiomorus maranjabensis

Ophiocoma alternans

Ophionectria portoricensis

Ophiostoma coerulescens

*Ophiolepis scolopendrica( Müller & Troschel, 1842)

Ophiomorus latastii

Ophioninae is a worldwide subfamily of Ichneumonidae with 32 genera, and very rich in tropical regions. They are koinobiont endoparasitoids of larval Lepidoptera, though at least one species parasitizes Scarabaeidae (Coleoptera). They are among the only Parasitica whose ovipositors can be used to sting vertebrates. The pupae are ovoid with a central clear band characteristic for this subfamily. Ophionines are typically fairly large, orange, slender insects with compressed, curved abdomens. They have very large ocelli and are active at night, and may be commonly encountered at lights.

Ophiocephalus striatus