homocercaladj.
/hɒməʊˈsəːkəl/ Ichthyology.
Having the lobes of the tail equal; having a symmetrical tail. Also said of the tail. Opposed to heterocercal.
ΘΚΠ
the world > animals > fish > parts of fish > [adjective] > having fin(s) > having specific type of caudal fin
heterocercal1838
homocercal1838
gephyrocercal1886
orthaxial1886
homocerc-
1838 Penny Cycl. XII. 191/1 In and above that [oolitic] system Homocercal forms appear.
1849 R. I. Murchison Siluria xiii. 342 All other species now living..have homocercal tails.
1880 R. H. Traquair in Nature 4 Mar. 430/1 The diphycercal tail is a more primitive..form than the heterocercal, of which the modern homocercal..is a further specialisation.
Derivatives
ˈhomocercy n. /ˈhɒmə(ʊ)sɜːsɪ/ homocercal condition.
/ˈhɒmə(ʊ)sɜːsɪ/ homocercal condition.ΚΠ
1881 Worcester's Dict. Eng. Lang. Suppl.
This entry has not yet been fully updated (first published 1899; most recently modified version published online December 2018).
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adj.1838- unplat
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