Species
Valid Extinct

Platypterygius americanus

(Nace 1939)

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
5
Group
Ichtyosaures
Carnivore nektonic Marine
🦴
PBDB ↗
Classification
Ichthyosauria Unranked clade
›
Baracromia Unranked clade
›
Ophthalmosauridae Family
›
Platypterygiinae Subfamily
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Platypterygius Genus
›
Platypterygius americanus Species
Fossil sites 5 geolocated sites
Distribution
Top countries
🇺🇸 United States
4
🇨🇦 Canada
1
Geological formations
Mowry Shale
2
Ashville
1
Hudspeth
1
Belle Fourche
1
Temporal distribution
Cenomanian (100.5–93.9 Ma)
2
Albian (113.2–100.5 Ma)
3
Synonyms (1)
Myopterygius petersoni subjective synonym of Platypterygius americanus
Bibliography
Original description
R. L. Nace. 1939. A new ichthyosaur from the Upper Cretaceous Mowry Formation of Wyoming. American Journal of Science 237(9):673-686 DOI ↗
Bibliography (5)
G. J. Retallack, G. E. Carr, and A. P. Broz. 2023. Early Cretaceous pterosaur guano deposit from central Oregon, USA. Lethaia 56(1):1-12 DOI ↗
E. E. Maxwell and B. P. Kear. 2010. Postcranial Anatomy of Platypterygius americanus (Reptilia: Ichthyosauria) from the Cretaceous of Wyoming. Journal of Vertebrate Paleontology 30(4):1059-1068 DOI ↗
A. S. Romer. 1968. An ichthyosaur skull from the Cretaceous of Wyoming. Contributions to Geology, University of Wyoming 7(1):27-41
R, L. Nace. 1941. A new ichthyosaur from the late Cretaceous, northeast Wyoming. American Journal of Science 239(12):908-914 DOI ↗
R. L. Nace. 1939. A new ichthyosaur from the Upper Cretaceous Mowry Formation of Wyoming. American Journal of Science 237(9):673-686 DOI ↗