[suh-rat-uh-duh s, ser-uh-toh-duh s]
- a lungfish of either of two genera, Ceratodus or Neoceratodus, having hornlike ridges on the teeth.
Origin of ceratodus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ceratodus
The living Ceratodus was only discovered in 1870, and was regarded as a marvel of "persistence."Illogical Geology
George McCready Price
Their organization might, in some respect, be like the ceratodus and proloptems; but this is not certain.Was Man Created?
Henry A. Mott
He ought rather to come out in the character of a ceratodus or a labyrinthodon.Falling in Love
In Ceratodus this is effected by an extension of the interauricular shelf into the ventricle.
The Australian mudfish (Ceratodus) is not known to hibernate or aestivate.
- any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic timesCompare barramunda
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