ceratodus

[ suh-rat-uh-duhs, ser-uh-toh-duhs ]

/ səˈræt ə dəs, ˌsɛr əˈtoʊ dəs /

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noun, plural ce·rat·o·dus·es.

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

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Compare barramundi.

Origin of ceratodus

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

Words nearby ceratodus

cerastes, cerastium, cerate, cerated, cerato-, ceratodus, ceratoid, ceratopsian, ceratosaur, Cerberus, cercal

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use ceratodus in a sentence

His purpose was the study of the wonderful Australian fauna, the oviparous mammals, marsupials, and ceratodus (lungfish).
Appletons' Popular Science Monthly, July 1899|Various
Six pairs of branchial arches occur in Protopterus; Ceratodus and Lepidosiren have five, like most other fish.
The Vertebrate Skeleton|Sidney H. Reynolds
The teeth of the extinct Dipteridae resemble those of Ceratodus but are more complicated.
The Vertebrate Skeleton|Sidney H. Reynolds
However, teeth are found in the Trias which resemble those of the living Ceratodus.
The History of Creation, Vol. II (of 2)|Ernst Haeckel

No; but from an organ similar in character and position to the air-bladder of a ceratodus, or a lepidosiren.
Evolution|Joseph Le Conte

British Dictionary definitions for ceratodus

ceratodus

/ (sɪˈrætədəs, ˌsɛrəˈtəʊdəs) /

noun plural -duses

any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic timesCompare barramunda

Word Origin for ceratodus

C19: New Latin, from cerato- + Greek odous tooth

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012