therapsida
therapsida defined in 1951 year
therapsida - therapsida;therapsida - Mammal-like reptiles. An extinct order of Reptilia. Lived from Permian to Triassic, the main reptile group until the appearance of the Dinosaurs. Important for being ancestral to mammals, the transition being well documented by fossils.
near therapsida in Knolik
| the vertebral column of birds | home letter "T" start from "TH" | thermocline |
definition of word "therapsida" was readed 180 times