Gamaster

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Gamaster
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Tunicata
Class: Ascidiacea
Order: Stolidobranchia
Family: Molgulidae
Genus:Gamaster
Pizon, 1896
Species

See text

Gamaster is a genus of ascidian tunicates in the family Molgulidae.

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 class of chordates

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.

Tunicate Subphylum of chordates

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 Gamaster include: [1]

Species names currently considered to be synonyms:

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<i>Botryllus</i> genus of tunicates

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<i>Styela</i> genus of chordates

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

<i>Clavelina</i> genus of chordates

Clavelina is genus of tunicates, containing the following species:

Phlebobranchia suborder of chordates

Phlebobranchia is a suborder of sea squirts in the class Ascidiacea.

<i>Halocynthia</i> genus of chordates

Halocynthia is a genus of ascidian tunicates in the family Pyuridae. Species such as H. roretzi are used as food.

Stolidobranchia suborder of chordates

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.

<i>Polycarpa</i> genus of chordates

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

Molgulidae family of chordates

Molgulidae is a family of tunicates in the class Ascidiacea. Following a revision in 2007, the family Hexacrobylidae was synonymized with Molgulidae.

<i>Polyclinum</i> genus of chordates

Polyclinum is a genus of colonial sea squirts, tunicates in the family Polyclinidae.

Eugyra are marine tunicates.

Pareugyrioides is a genus of marine tunicates.

Oligotrema is a genus of marine tunicates.

Paramolgula is a genus of marine tunicates.

Metandrocarpa 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.

<i>Boltenia</i> genus of chordates

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

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

References

  1. ↑ Sanamyan, K. (2015). Gamaster Pizon, 1896 . 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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