1890 in paleontology
Encyclopedia

Dinosaurs

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Name Status Authors Notes

Barosaurus
Barosaurus
Barosaurus ; Greek barys/βαρυς meaning 'heavy' and saurus/σαυρος meaning 'lizard', 'heavy lizard') was a giant, long-tailed, long-necked, plant-eating dinosaur closely related to the more familiar Diplodocus...


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Othniel Charles Marsh
Othniel Charles Marsh
Othniel Charles Marsh was an American paleontologist. Marsh was one of the preeminent scientists in the field; the discovery or description of dozens of news species and theories on the origins of birds are among his legacies.Born into a modest family, Marsh was able to afford higher education...


Claosaurus
Claosaurus
Claosaurus is a genus of primitive hadrosaurid that lived during the Late Cretaceous Period .Evidence of its existence was first found near the Smoky Hill River in Kansas, USA in the form of partial skull fragments and as an articulated postcranial skeleton...


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Othniel Charles Marsh
Othniel Charles Marsh
Othniel Charles Marsh was an American paleontologist. Marsh was one of the preeminent scientists in the field; the discovery or description of dozens of news species and theories on the origins of birds are among his legacies.Born into a modest family, Marsh was able to afford higher education...


Ornithomimus
Ornithomimus
Ornithomimus is a genus of ornithomimid dinosaur from the Late Cretaceous Period of what is now North America.In 1890 Ornithomimus velox was named by Othniel Charles Marsh on the basis of a foot and partial hand from the Maastrichtian Denver Formation. Another seventeen species have been named since...


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Othniel Charles Marsh
Othniel Charles Marsh
Othniel Charles Marsh was an American paleontologist. Marsh was one of the preeminent scientists in the field; the discovery or description of dozens of news species and theories on the origins of birds are among his legacies.Born into a modest family, Marsh was able to afford higher education...

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Newly named plesiosaurs

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Name Status Authors Notes

Anarosaurus
Anarosaurus
Anarosaurus is an extinct genus of early plesiosaur that lived in the Middle Triassic period ....


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Dames
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Pteridophyta

Name Status Authors Age Unit Location Notes Images

Azollophyllum primaevum

jr synonym
  • Penhallow
    David P. Penhallow
    David Pearce Penhallow was a Canadian-American botanist, paleobotanist and educator.Born in Kittery Point, Maine, Penhallow graduated from Massachusetts Agricultural College in 1873 . When his former professor, William S...


Ypresian
Ypresian
In the geologic timescale the Ypresian is the oldest age or lowest stratigraphic stage of the Eocene. It spans the time between and , is preceded by the Thanetian age and is followed by the Eocene Lutetian age....

 (Early Eocene)

Allenby Formation

 Canada

redescribed in 1955 by Arnold
Chester A. Arnold
Chester Arthur Arnold was an American paleobotanist, born June 25, 1901 in Leeton, Missouri and died on 19 November 1977.He was the son of farmers Elmer and Edith Arnold. Arnolds family moved to Ludlowville, New York and he attended Cornell University with the intent to study agriculture...

 as Azolla primaeva
Azolla primaeva
Azolla primaeva is an extinct species of "water fern" in the Azollaceae family known from Eocene fossils from the Ypresian stage , found in southern British Columbia....

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