cynodont
Concise Oxford English Dictionary © 2008 Oxford University Press:
cynodont /ˈsʌɪnə(ʊ)dɒnt/
▶noun a fossil carnivorous mammal-like reptile of the late Permian and Triassic periods, with well-developed specialized teeth.
– origin C19: from Gk kuōn, kun- ‘dog’ + odous, odont- ‘tooth’.
'cynodont' also found in these Oxford entries:

