ceratodus

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

noun

, plural ce·rat·o·dus·es.

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

ceratodus

/ sɪˈrætədəs; ˌsɛrəˈtəʊdəs /

noun

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

Word History and Origins

Origin of ceratodus¹

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

Word History and Origins

Origin of ceratodus¹

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

Example Sentences

His purpose was the study of the wonderful Australian fauna, the oviparous mammals, marsupials, and ceratodus (lungfish).

From Project Gutenberg

Six pairs of branchial arches occur in Protopterus; Ceratodus and Lepidosiren have five, like most other fish.

From Project Gutenberg

The teeth of the extinct Dipteridae resemble those of Ceratodus but are more complicated.

From Project Gutenberg

However, teeth are found in the Trias which resemble those of the living Ceratodus.

From Project Gutenberg

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

From Project Gutenberg