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单词 dipterus
释义

Dipterusn.

Etymology: modern Latin, < Greek: see dipter n.Previous versions of the OED give the stress as: ˈDipterus.
Palaeontology.
A genus of Palæozoic dipnoous fishes, having two dorsal fins, opposite the ventral and anal respectively.
ΚΠ
1842 H. Miller Old Red Sandstone (ed. 2) 103 The Dipterus or double-wing, of the Lower Old Red Sandstone.
1854 F. C. Bakewell Geol. 29 Other fishes, of which the dipterus is the type, bear more resemblance to fishes of the present day.

Derivatives

dipˈterian adj. and n. belonging to, or a member of, this genus.
ΚΠ
1847 D. T. Ansted Anc. World iv. 70 These ancient fishes (Dipterians).
This entry has not yet been fully updated (first published 1896; most recently modified version published online June 2019).
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n.1842
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