heterocercaladj.
/ˌhɛt(ə)rəʊˈsəːkəl/ Having the lobes of the tail unequal. Opposed to homocercal.
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 Heterocercal, the term chosen by M. Agassiz..to express a peculiar form of the tails of fishes..The tail is..unequally bilobate, as in the shark... The peculiarity of the Heterocercal fishes is that the vertebral column runs along the upper caudal lobe.
1851 G. F. Richardson Introd. Geol. (1855) 133 The heterocercal character of the tail.
Derivatives
heterocerˈcality n.
ΚΠ
1884 Science 3 Oct. 341/2 Whenever heterocercality manifests itself, there is degeneration of the caudal end of the chordal axis.
ˈheterocercy n. /ˈhɛt(ə)rəʊˌsɜːsɪ/ the condition of being heterocercal.
/ˈhɛt(ə)rəʊˌsɜːsɪ/ the condition of being heterocercal.This entry has not yet been fully updated (first published 1898; most recently modified version published online December 2018).
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adj.1838- destrigment
- destrition
- destrouble
- destroy
- destroy into or to
- destroyable
- destroyed
- destroyer
- destroyer-escort
- destroyer-leader
- destroyerescort
- destroyeress
- destroyerleader
- destroyers
- destroying
- destroying angel
- destroyingly
- destroys
- destruct
- destructant
- destructed
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- destructibilities