Genus
Valid Extinct

Megapterygius

Konishi et al. 2023

Megapterygius is an extinct genus of mosasaurine mosasaur from the Late Cretaceous Toyajo Formation of Japan. The genus contains a single species, M. wakayamaensis, known from an almost complete skeleton.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Mosasaures
Carnivore aquatic Terrestrial
Megapterygius
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Classification
Mosasauridae Family
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Mosasaurinae Subfamily
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Megapterygius Genus
Fossil sites 1 geolocated sites
Distribution
Top countries
🇯🇵 Japan
1
Geological formations
Toyajo
1
Temporal distribution
Campanian (83.6–72.2 Ma)
1
Species (1)
Megapterygius wakayamaensis 84 Ma
Images 1
Bibliography
Original description
T. Konishi, M. Ohara, and A. Misaki, H. Matsuoka, H. P. Street, M. W. Caldwell. 2023. A new derived mosasaurine (Squamata: Mosasaurinae) from south-western Japan reveals unexpected postcranial diversity among hydropedal mosasaurs. Journal of Systematic Palaeontology 21(1):2277921 DOI ↗
Bibliography (1)
T. Konishi, M. Ohara, and A. Misaki, H. Matsuoka, H. P. Street, M. W. Caldwell. 2023. A new derived mosasaurine (Squamata: Mosasaurinae) from south-western Japan reveals unexpected postcranial diversity among hydropedal mosasaurs. Journal of Systematic Palaeontology 21(1):2277921 DOI ↗