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单词 tornaria
释义

tornarian.

/tɔːˈnɛːrɪə/
Etymology: modern Latin, < Greek τόρνος or Latin tornus a turner's wheel, in reference to the shape of the larva.
Zoology.
The larval form of species of the Sea-acorn, Balanoglossus.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Entomostraca > order Cirripedia > suborder Thoracica > member of family Balanidae > larval form of balanoglossus
tornaria1888
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 592 Tornaria requires a fresh examination... Balfour regarded Tornaria as intermediate in structure between the Echinoderm larva and the Trochosphere.
1892 J. A. Thomson Outl. Zool. xvi. 355 The Tornaria becomes pelagic, acquires a proboscis, loses its special bands of cilia, and becomes diffusely ciliated, but has not yet a mouth or anus.

Derivatives

torˈnarian adj. of or pertaining to a tornaria.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [adjective] > cirripedous > of or relating to tornaria
tornarian1891
1891 Cent. Dict. Tornarian.
This entry has not yet been fully updated (first published 1913; most recently modified version published online June 2018).
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n.1888
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