Plants
Angiosperms
Arthropods
Insects
Archosauromorpha
Newly named dinosaurs
Data courtesy of George Olshevsky's dinosaur genera list.
Newly named plesiosaurs
Synapsids
Non-mammalian
References
{{portal, Paleontology
1920s in paleontology
Paleontology
Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...
Paleontology 5