1997_in_paleontology

1997 in paleontology

1997 in paleontology

Overview of the events of 1997 in paleontology

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 1997.

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Plants

Cycadophytes

Cycadophyte research

Angiosperms

More information Name, Novelty ...

Fungi

More information Name, Novelty ...

Paleomycological research

Arthropoda

Insects

More information Name, Novelty ...

Plesiosaurs

Newly Named Plesiosaurs

More information Currently Valid Plesiosaur Genera Named in 1997, Name ...

Archosauromorphs

Pseudosuchians

More information Name, Novelty ...

General pseudosuchian research

  • A review of Australasian fossil crocodilians is published by Willis (1997).[12]

Pterosaurs

Newly Named Pterosaurs

More information Currently Valid Pterosaur Genera Named in 1997, Name ...

Non-avian dinosauromorphs

  • Paleontologist Karen Chin received a coprolite that was excavated during 1995 from strata dating back to the Maastrichtian in Saskatchewan, Canada. The specimen was about 17 inches (44 cm) long and contained fragments of bone. Due to its size, contents and age, the coprolite was believed to have been the remains of Tyrannosaurus rex feces. This discovery was announced in a 1998 paper published in the journal Nature.
  • A Saharan expedition under the leadership of Paul Sereno yielded fruit when a team member stumbled on the bones and skull of Nigersaurus taqueti. During this and a subsequent 1999 expedition about 80% of the animal's skeleton were discovered. Later in the year of the second expedition, a formal description of the animal was published.
  • French paleontologist Philippe Taquet reported the finding of fossilized theropod embryos preserved in Portuguese dinosaur eggs. These eggs were from the Jurassic period dating to about 140 million years ago, nearly twice as old as any previously recovered dinosaur embryos, which had only been known from about 70 million years ago in Late Cretaceous strata.
  • Psittacosaurus gastroliths documented.[13]
  • Panoplosaurus gastroliths documented.[14]

Newly named non-avian dinosauromorphs

Data courtesy of George Olshevsky's dinosaur genera list.[15]

More information Name, Status ...

Birds

Newly named birds

More information Name, Status ...

Synapsids

Eutherians

More information Name, Status ...

Humans

  • Genetecist Michael Hammer reported findings that demonstrate that after the initial "out of Africa" radiation of modern humans at about 100,000 years ago, some humans eventually returned to Africa between 50,000 and 10,000 years ago.

Exopaleontology

References

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    Hopkins, D.; Johnson, K. (1997). "First Record of cycad leaves from the Eocene Republic flora" (PDF). Washington Geology. 25 (4): 37. Retrieved 29 September 2021.
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    Willis, P. M. A. (1997). "Review of fossil crocodilians from Australasia". Australian Zoologist. 30 (3): 287–298. doi:10.7882/AZ.1997.004. S2CID 84580859.
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    Xu (1997). Sanders, Manley, and Carpenter (2001), "Table 12.1" page 167.
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    Carpenter (1997). Sanders, Manley, and Carpenter (2001), "Table 12.1" page 167.
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    Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Archived from the original on 2011-07-15. Retrieved 2008-08-07.
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    Dong, Z.M. and Y. Azuma. 1997. On a primitive neoceratopsian from the Early Cretaceous. In: Sino-Japanese Slik Road Dinosaur Expedition (Z.M. Dong, ed.). China Ocean Press, Beijing: pp. 68-89.
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    Dong, Z.-M. 1997. A Gigantic Sauropod (Hudiesaurus sinojapanorum gen. et. sp. nov.) from the Turpan Basin, China. In: Sino-Japanese Silk Road Dinosaur Expedition (Z.-M. Dong, ed.). China Ocean Press: pp. 102-110.
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    Ji, Q. and S. Ji. 1997. A Chinese archaeopterygian, Protarchaeopteryx gen. nov. Geological Science and Technology (Di Zhi Ke Ji) 238 (1997): pp. 38-41.
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    Dong, Z.-M. 1997. A small ornithopod from Mazongshan area, Gansu Province, China. In: Sino-Japanese Silk Road Dinosaur Expedition (Z.-M. Dong, ed.). China Ocean Press, Beijing: pp. 24–26.
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  • Carpenter, K. (1997) Ankylosaurs. In J.O. farlow and M.K. Brett-Surman (eds.), The complete dinosaur, pp. 307–316. Bloomington Indiana University Press.
  • Xu, X. (1997) A new psittacosaur (Psittacosaurus mazongshanensis sp. nov.) from Mazongshan area, Gansu province, China. In. Z.-M. Dong (ed.), Sino-Japanese Silk Road Dinosaur Expedition, pp. 48–67. Institute of Paleontology and Paleoanthropology Academia Sinica. Beijing: China Ocean Press.
  • Sanders F, Manley K, Carpenter K. Gastroliths from the Lower Cretaceous sauropod Cedarosaurus weiskopfae. In: Tanke D.H, Carpenter K, editors. Mesozoic vertebrate life: new research inspired by the paleontology of Philip J. Currie. Indiana University Press; Bloomington, IN: 2001. pp. 166–180.
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