Definitions
from The Century Dictionary.
- noun The typical genus of the family Ceratodontidæ: so called from the horn-like ridges of the teeth.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) A genus of ganoid fishes, of the order Dipnoi, first known as Mesozoic fossil fishes; but recently two living species have been discovered in Australian rivers. They have lungs so well developed that they can leave the water and breathe in air. In Australia they are called
salmon andbaramunda . Seedipnoi , andarchipterygium .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun extinct lungfish
Etymologies
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Examples
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Amazon, and the ceratodus in the swamps of Southern {49} Australia.
The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality Rudolf Schmid
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Young ceratodus, shortly after issuing from the egg, magnified ten times. k gill-cover, l liver.
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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Young ceratodus six weeks after issuing from the egg. s spiral fold of gut, b rudimentary belly-fin.
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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He ought rather to come out in the character of a ceratodus or a labyrinthodon.
Falling in Love With Other Essays on More Exact Branches of Science Grant Allen 1873
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This much later appearance of the higher osseous fishes is quite in accordance with evolution, although some of the very lowest forms, the lancelet and the lampreys, together with the archaic ceratodus, have survived to our time.
Darwinism (1889) Alfred Russel Wallace 1868
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