from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
genuswithin the familyCynognathidae — a prehistoric reptilethat had many mammaliantraits.
Sorry, no etymologies found.
In the genera Thrinaxodon and Cynognathus, for example, the vertebral column was distinctly differentiated into cervical, thoracic and lumbar vertebrae, thus delineating the three regions of the backbone in front of the pelvis so characteristic of the mammals.