Search results
Results from the WOW.Com Content Network
Urochordata Lankester, 1877 A tunicate is an exclusively marine invertebrate animal, a member of the subphylum Tunicata ( / ˌ tj uː n ɪ ˈ k eɪ t ə / TEW -nih- KAY -tə ). This grouping is part of the Chordata , a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates ).
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.
Marine species identification portal This page was last edited on 2 May 2023, at 17:39 (UTC). Text is available under the Creative Commons Attribution-ShareAlike ...
A chordate (/ ˈ k ɔːr d eɪ t / KOR-dayt) is a deuterostomal bilaterian animal belonging to the phylum Chordata (/ k ɔːr ˈ d eɪ t ə / kor-DAY-tə).All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (synapomorphies) that distinguish them from other taxa.
Pegea confederata on a 1995 stamp from Azerbaijan. A salp (pl.: salps, also known colloquially as “sea grape”) or salpa (pl.: salpae or salpas [2]) is a barrel-shaped, planktonic tunicate in the family Salpidae.
Olfactores is a clade within the Chordata that comprises the Tunicata (Urochordata) and the Vertebrata [citation needed] (sometimes referred to as Craniata).Olfactores represent the overwhelming majority of the phylum Chordata, as the Cephalochordata are the only chordates not included in the clade.
The predatory tunicate (Megalodicopia hians), also known as the ghostfish, [2] is a species of tunicate which lives anchored along deep-sea canyon walls and the seafloor.It is unique among other tunicates in that rather than being a filter feeder, it has adapted to life as an ambush predator.
Pyrosomes are free-floating colonial tunicates in family Pyrosomatidae.There are three genera, Pyrosoma, Pyrosomella and Pyrostremma, and eight species. [3] [4] They usually live in the upper layers of the open ocean in warm seas, although some may be found at greater depths.