ceratodus

[ suh-rat-uh-duh s, ser-uh-toh-duh s ]

/ səˈræt ə dəs, ˌsɛr əˈtoʊ dəs /

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

Compare barramunda.

Origin of ceratodus

1870–75; < New Latin, equivalent to cerat- cerat- + -odus < Greek odoús tooth

This discovery displaces Ceratodus from the position of the oldest living type of the vertebrata.

Scientific American, Volume 56, No. 9, February 26, 1887 |Various
Six pairs of branchial arches occur in Protopterus; Ceratodus and Lepidosiren have five, like most other fish.

The Vertebrate Skeleton |Sidney H. Reynolds
He ought rather to come out in the character of a ceratodus or a labyrinthodon.

Falling in Love |Grant Allen
In Ceratodus this is effected by an extension of the interauricular shelf into the ventricle.

Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3 |Various

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

Was Man Created? |Henry A. Mott

ceratodus

/ (sɪˈrætədəs, ˌsɛrəˈtəʊdəs) /

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

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