How To Use Ceratodus In A Sentence

If Neoceratodus is the most plesiomorphic species of living lungfishes, then lepidosirenid apomorphies may have arisen by paedomorphosis. Panderichthys rhombolepis - The Panda's Thumb
Skeleton of the breast-fin of Ceratodus (biserial feathered skeleton). The Evolution of Man — Volume 2
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
The paired fins of the Australian lungfish, Neoceratodus forsteri (another living fossil), are similar to those of Latimeria.
Young ceratodus six weeks after issuing from the egg. s spiral fold of gut, b rudimentary belly-fin. The Evolution of Man — Volume 2

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Accipenser and Ceratodus, and also the salamanders and batrachia, belong to the old, conservative groups of our stem. The Evolution of Man — Volume 1
Of the older dipnoi (Paladipneusta) we have now only one specimen, the remarkable Ceratodus of East Australia; its amphiblastic gastrulation has been recently explained by Richard Semon (cf. Chapter 2.21). The Evolution of Man — Volume 1
Amazon, and the ceratodus in the swamps of Southern {49} Australia. The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality
Young ceratodus, shortly after issuing from the egg, magnified ten times. k gill-cover, l liver. The Evolution of Man — Volume 2
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)