1991 in paleontology

Plants

Angiosperms

Arthropods

Insects

Mollusca

Newly named bivalves

Archosauromorphs

• Sankar Chatterjee's discovery of a possible Triassic bird, Protoavis, if genuine, would push avian origins back almost 70 million years. The find ignites controversy over the connection between dinosaurs and birds.

Newly named dinosaurs

Data courtesy of George Olshevsky's dinosaur genera list.

Newly named birds

Genera no longer considered to be birds

• Protoavis. The avian status of Protoavis has since been almost universally rejected by paleontologists.

Pseudosuchians

Pterosaurs

New taxa

|- |}

Synapsids

Non-mammalian

References

References

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