Larvacea - Information from Answers.com
Larvaceans (Class Appendicularia) are solitary, free-swimming tunicates found
throughout the world's oceans. Like most tunicates, appendicularians are filter ...
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Appendicularia: Information from Answers.com
Appendicularia A class of marine planktonic animals in the subphylum Tunicata.
This class is characterized by the persistence of a tail, notochord ,
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List of chordate orders - Information from Answers.com
1.1 Class Acanthodii - currently extinct; 1.2 Class Actinopterygii (ray-finned fish)
... 1.8 Class Larvacea; 1.9 Class Leptocardii (lancelets); 1.10 Class Mammalia ...
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tunicate: Definition from Answers.com
The larvaceans (class Larvacea) retain the larval form, with a tail and a notochord
, as adults. A commonly held theory maintains that vertebrates evolved from ...
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Thaliacea: Definition from Answers.com
Thaliacea ( ′thālē′āshēə ) ( invertebrate zoology ) A small class of pelagic ...
Ascidiacea (Ascidians) · Thaliacea · Appendicularia (Larvaceans) · Sorberacea ...
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Chordata: Definition from Answers.com
The most prominent tunicates are the sea squirts (class Ascidiacea), which show
... The larvaceans (Larvacea) are neotenous, that is, they achieve sexual ...
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chordate: Definition from Answers.com
The third main group of tunicates, Appendicularia (also known as Larvacea)
retain .... The invertebrate chordate classes are from Fishes of the World. While it
is ...
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amphibian: Definition from Answers.com
amphibian n. A cold-blooded, smooth-skinned vertebrate of the class Amphibia,
such as a frog or salamander, that characteristically hatches as an.
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vertebrate: Definition from Answers.com
There are five classes of vertebrates: fish, amphibians, reptiles, birds, and
mammals. ... The five traditional classes of vertebrates are amphibians, birds,
fishes, ...
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reptile: Definition from Answers.com
reptile n. Any of various cold-blooded, usually egg-laying vertebrates of the class
Reptilia, such as a snake, lizard, crocodile, turtle, or.
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