Claudenus

Claudenus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Tunicata
Class:	Ascidiacea
Order:	Stolidobranchia
Family:	Pyuridae
Genus:	Claudenus; Kott, 1998
Species
	See text

Last updated March 20, 2019

Claudenus is a genus of ascidian tunicates in the family Pyuridae.

A genus is a taxonomic rank used in the biological classification of living and fossil organisms, as well as viruses, in biology. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.

Ascidiacea is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders. Ascidians are characterized by a tough outer "tunic" made of the polysaccharide cellulose.

A tunicate is a marine invertebrate animal, a member of the subphylum Tunicata. It is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords. The subphylum was at one time called Urochordata, and the term urochordates is still sometimes used for these animals. They are the only chordates that have lost their myomeric segmentation, with the possible exception of the seriation of the gill slits.

Species within the genus Claudenus include:^[1]

Claudenus antipodus (Kott, 1972)

Species names currently considered to be synonyms:

Claudenus antipoda(Kott, 1972): synonym of Claudenus antipodus (Kott, 1972)
Claudenus appendiculata(Heller, 1877): synonym of Molgula appendiculata Heller, 1877

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Pleurothallis, abbreviated Pths in horticultural trade, is a genus of orchids commonly named bonnet orchids. The genus name is derived from the Greek word 'pleurothallos', meaning 'riblike branches'. This refers to the rib-like stems of many species.

Herdmania is a genus of ascidian tunicates in the family Pyuridae.

Pyura is a large genus of sessile ascidians that live in coastal waters at depths of up to 80 m (260 feet). Like all ascidians, Pyura are filter feeders.

Microcosmus is a genus of tunicates in the family Pyuridae, containing the following species:

Styela is a genus of tunicates. Styela clava, an edible species, is known as an invasive species in some areas.

Molgula, or sea grapes, are very common, globular, individual marine tunicates roughly the size of grapes.

Eusynstyela is a genus of ascidian tunicates in the family Styelidae.

Pyuridae is a family of tunicates.

Stolidobranchia is an order of tunicates in the class Ascidiacea. The group includes both colonial and solitary animals. They are distinguished from other tunicates by the presence of folded pharyngeal baskets. This provides the etymology of their name: in ancient greek, στολίς, ίδος means the "fold" of a cloth. Stolidobranchian sea squirts are also characterized by the complete absence of an abdomen. The abdominal organs of other tunicates are instead located to one side of the pharyngeal basket in this group.

Rissoa is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.

Polycarpa is a genus of ascidian tunicates in the family Styelidae.

Eugyra are marine tunicates.

Pareugyrioides is a genus of marine tunicates.

Cnemidocarpa is a genus of ascidian tunicates in the family Styelidae.

Metandrocarpa is a genus of ascidian tunicates in the family Styelidae.

Polyandrocarpa is a genus of ascidian tunicates in the family Styelidae.

Polyzoa is a genus of ascidian tunicates in the family Styelidae. In old literature Polyzoa was used as the name of the phylum Bryozoa.

Stolonica is a genus of ascidian tunicates in the family Styelidae.

Symplegma is a genus of ascidian tunicates in the family Styelidae.

Culeolus is a genus of ascidian tunicates in the family Pyuridae.

References

↑ Sanamyan, K. (2015). Claudenus Kott, 1998 . In: Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira Da Rocha, R.; Swalla, B.J.; Turon, X. (2015) Ascidiacea World Database. Accessed through: World Register of Marine Species on 2015-12-29.

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[1] Sanamyan, K. (2015). Claudenus Kott, 1998 . In: Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira Da Rocha, R.; Swalla, B.J.; Turon, X. (2015) Ascidiacea World Database. Accessed through: World Register of Marine Species on 2015-12-29.