Tunicatan.
/tjuːnɪˈkeɪtə/ Zoology.
With plural agreement. A division of animals, now regarded as a sub-phylum of the Chordata; also called Urochorda: see tunicate n.
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the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > division Molluscoidea > [noun] > division Tunicata
Tunicata1828
Urochordata1885
1828 J. Stark Elements Nat. Hist. II. 115 Class III.—Tunicata. Gelatinous or coriaceous biforous, bitunicated animals, isolated, in groups, or often joined together in a common mass.
1851 G. F. Richardson Geol. (1855) viii. 230 The Tunicata have no shell, and are enclosed in an elastic muscular sac, with two openings.
1870 H. Spencer Princ. Psychol. (ed. 2) I. i. i. 10 Humble Mollusks, like the fixed Tunicata.
This entry has not yet been fully updated (first published 1915; most recently modified version published online June 2021).
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n.1828