''Oxynoe viridis'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of small

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

sea slug Sea slug is a common name for some Marine biology, marine invertebrates with varying levels of resemblance to terrestrial Slug, slugs. Most creatures known as sea slugs are gastropods, i.e. they are Sea snail, sea snails (marine gastropod moll ...

, a bubble

snail A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial molluscs, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gas ...

, a marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Oxynoidae Oxynoidae is a family of sea snails, bubble snails, marine gastropod mollusks in the superfamily Oxynooidea, an opisthobranch group. This family has no subfamilies. Genera The following three genera or four are included in the family Oxynoida ...

Distribution

This species occurs in the

Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

and

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

. The type locality for this species is "Sandwich Islands", now

Hawaiian Islands The Hawaiian Islands () are an archipelago of eight major volcanic islands, several atolls, and numerous smaller islets in the Pacific Ocean, North Pacific Ocean, extending some from the Hawaii (island), island of Hawaii in the south to nort ...

.Jensen K. R. (November 2007)
"Biogeography of the Sacoglossa (Mollusca, Opisthobranchia)"
. ''

Bonner zoologische Beiträge The ''Bonn Zoological Bulletin'' (''BzB''), formerly ''Bonner zoologische Beiträge'', is a peer reviewed open access journal dealing with zoology Zoology ( , ) is the scientific study of animals. Its studies include the anatomy, structure ...

'' 55(2006)(3-4): 255–281.

Description

The body is oval or ovate, dorsal region elevated, lateral lobes regular in shape, outline of the edges convex, not meeting; tentacles well-developed, grooved and truncated; eyes immersed immediately behind the tentacles; foot linear, adapted for clasping seaweed; the whole upper surface garnished with more or less numerous cirrigerous appendages. Tail is long, compressed and lance-pointed. Color: grass green, mottled with darker, sometimes dotted minutely with brown, or a few blue spots margined with black along the edge of the lateral lobes and on the neck. The

shell Shell may refer to: Architecture and design * Shell (structure), a thin structure ** Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses Science Biology * Seashell, a hard outer layer of a marine ani ...

is thin, pellucid, fragile, white, slightly convolute, obliquely finely striate, left side slightly inflated. The

aperture In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...

is large, open widely. The outer lip is disjoined from the

apex The apex is the highest point of something. The word may also refer to: Arts and media Fictional entities * Apex (comics) A-Bomb Abomination Absorbing Man Abraxas Abyss Abyss is the name of two characters appearing in Ameri ...

, very slightly produced posteriorly and truncate. The inner lip is slightly callous.

References

This article incorporates public domain text from the reference . Pilsbry H. A. (1895-1896). ''

Manual of Conchology George Washington Tryon Jr. (20 May 1838 – 5 February 1888) was an American malacologist who worked at the Academy of Natural Sciences in Philadelphia. Biography George Washington Tryon was the son of Edward K. Tryon and Adeline Savidt. ...

. Volume 16. Philinidae, Gastropteridae, Aglajidae, Aplysiidae, Oxynoeidae, Runcinidae, Umbraculidae, Pleurobranchidae.'
page 165plate 11
figure 51-55.

External links

Images of ''Oxynoe viridis''
* http://www.seaslugforum.net/oxynviri.htm * http://www.sealifebase.org/summary/SpeciesSummary.php?id=89452 {{DEFAULTSORT:Oxynoe Viridis Oxynoidae Gastropods described in 1861