Plants
Pinophytes
Archosauromorphs
Dinosaurs
Data courtesy of George Olshevsky's dinosaur genera list.
References
{{portal, Paleontology
1950s in paleontology
Paleontology
Paleontology, also spelled as palaeontology or palæontology, is the scientific study of the life of the past, mainly but not exclusively through the study of fossils. Paleontologists use fossils as a means to classify organisms, measure ge ...