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Ascidiacea, commonly known as the ascidians or sea squirts, is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders. [2] Ascidians are characterized by a tough outer test or "tunic" made of the polysaccharide cellulose .
Ascidiidae ("same-sac family") is a family of tunicates in the class Ascidiacea. [1] [2] Some species contain elevated amounts of vanadium. There are 4 genera: Ascidia; Ascidiella; Fimbrora; Phallusia; Psammascidia
Pages in category "Ascidiacea" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...
Stolidobranchia is an order of tunicates in the class Ascidiacea. [1] 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.
Clavelina ("little bottle") is genus of sea squirts (the Ascidiacea), containing the following species: [2] Clavelina amplexa Kott, 2002 Clavelina arafurensis Tokioka, 1952
Ascidia mentula with at=atrial siphon; br=oral siphon; t=tunic. Ascidia mentula has a tough leathery envelope or tunic composed partly of cellulose.The translucent tunic encloses a fluid-filled body with irregular bulges and two inconspicuous siphons.
Dendrodoa grossularia is sometimes known as the sea currant because of its small, red, globular form. It usually grows in aggregations, forming mats across the rock surface, but occasionally occurs as individual zooids.
Eudistoma is a genus of sea squirts belonging to the class Ascidiacea. It was first described in 1909 by Maurice Caullery. Originally it was thought to be a subgenus of Distoma. [1] Eudistoma is the most species-rich genus in the family Polycitoridae, with 124 valid species as of 2014. They are found in tropical and temperate waters; some ...