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1991 in paleontology

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Paleontology or palaeontology is the study of prehistoric life forms on Earth through the examination of plant and animal fossils.[1] This includes the study of body fossils, tracks (ichnites), burrows, cast-off parts, fossilised feces (coprolites), palynomorphs and chemical residues. Because humans have encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a science. This article records significant discoveries and events related to paleontology that occurred or were published in the year 1991.

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Plants

Angiosperms

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Arthropods

Insects

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Mollusca

Newly named bivalves

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Archosauromorphs

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  • 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.[8]

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Newly named birds

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Genera no longer considered to be birds

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

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Pterosaurs

New taxa

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Synapsids

Non-mammalian

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References

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