cephalodiscusn.

/ˌsɛfələʊˈdɪskəs/

Etymology: modern Latin (W. C. M‘Intosh 1882, in Ann. & Mag. Nat. Hist. 10 337), < Greek κεϕαλή head (see cephalo- comb. form) + δίσκος disc n.

A member of the genus so named of primitive deep-sea chordates of the class Pterobranchia.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Hemichordata > [noun] > member of class Pterobranchia > member of genus Cephalodiscus

cephalodiscus1882

1882 M'Intosh in Ann. & Mag. Nat. Hist. 10 343 Cephalodiscus also diverges in regard to the thin postoral lamella.

1885 Encycl. Brit. XIX. 435/1 The dwelling of Cephalodiscus is a gelatinous, irregularly branched, and fimbriated mass.

1902 Encycl. Brit. XXIX. 251/1 Dorso-ventral section of an adult Cephalodiscus.

1915 E. R. Lankester Diversions of Naturalist 8 One of the most interesting deep-sea creatures discovered by the ‘Challenger’..received the name Cephalodiscus.

1955 N. J. Berrill Origin Vertebr. xi. 117 Cephalodiscus, Rhabdopleura, and balanoglossids seem never to have become completely sessile forms.

This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2018).

单词	cephalodiscus
释义	cephalodiscusn. /ˌsɛfələʊˈdɪskəs/ Etymology: modern Latin (W. C. M‘Intosh 1882, in Ann. & Mag. Nat. Hist. 10 337), < Greek κεϕαλή head (see cephalo- comb. form) + δίσκος disc n. A member of the genus so named of primitive deep-sea chordates of the class Pterobranchia. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Hemichordata > [noun] > member of class Pterobranchia > member of genus Cephalodiscus cephalodiscus1882 1882 M'Intosh in Ann. & Mag. Nat. Hist. 10 343 Cephalodiscus also diverges in regard to the thin postoral lamella. 1885 Encycl. Brit. XIX. 435/1 The dwelling of Cephalodiscus is a gelatinous, irregularly branched, and fimbriated mass. 1902 Encycl. Brit. XXIX. 251/1 Dorso-ventral section of an adult Cephalodiscus. 1915 E. R. Lankester Diversions of Naturalist 8 One of the most interesting deep-sea creatures discovered by the ‘Challenger’..received the name Cephalodiscus. 1955 N. J. Berrill Origin Vertebr. xi. 117 Cephalodiscus, Rhabdopleura, and balanoglossids seem never to have become completely sessile forms. This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2018). < n.1882
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