Definition of Larvacea in English:

Larvacea

Line breaks: Larv|acea
Pronunciation: /lɑːˈveɪʃə
 
/

noun

Zoology
A class of minute transparent planktonic animals related to the sea squirts. They have a tadpole-like body which is typically enclosed in a gelatinoushouse’ that is regularly shed and replaced.
More example sentences
  • Within the urochordates, both genes placed Oikopleura (class Larvacea) as the sister group to all other urochordates.

Origin

modern Latin (plural), from larva.

Derivatives

larvacean

adjective& noun
More example sentences
  • Ascidians and thaliaceans (which, along with the larvaceans, comprise the subphylum Urochordata) display a biphasic life-history with morphologically dissimilar larval and adult body plans.
  • This supposition is largely based on data which suggests that, within the urochordates, the directly developing larvaceans are most primitive and the other two chordate subphyla are exclusively directly developing.
  • Other more sophisticated jelly creatures include some mollusks and snails, and tunicates - sea squirts, salps and larvaceans.

Definition of Larvacea in:

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Word of the day retroflex
Pronunciation: ˈretrəˌfleks
adjective
turned backward