ceratodus

American  

[suh-rat-uh-duhs, ser-uh-toh-duhs] / səˈræt ə dəs, ˌsɛr əˈtoʊ dəs /

noun

plural

ceratoduses

1. a lungfish of either of two genera, Neoceratodus and the extinct Ceratodus, having hornlike ridges on the teeth.

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ceratodus British  

/ sɪˈrætədəs, ˌsɛrəˈtəʊdəs /

noun

1. any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic times Compare barramunda

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Etymology

Origin of ceratodus

First recorded in 1870–75; from New Latin, equivalent to cerat- “horn” + -odus, from Greek odoús “tooth”; cerat-, tooth

Example Sentences

Young ceratodus six weeks after issuing from the egg. s spiral fold of gut, b rudimentary belly-fin.

From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August

Young ceratodus, shortly after issuing from the egg, magnified ten times. k gill-cover, l liver.

From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August

He ought rather to come out in the character of a ceratodus or a labyrinthodon.

From Falling in Love With Other Essays on More Exact Branches of Science by Allen, Grant

Their organization might, in some respect, be like the ceratodus and proloptems; but this is not certain.

From Was Man Created? by Mott, Henry A. (Henry Augustus)