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Polycotylidae

Taxon

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Holotype of the polycotylid[1] plesiosaur Edgarosaurus muddi DRUCKENMILLER, 2002, (MOR 751) comprising the skull, the neck, and the left front flipper, on display in the Museum of the Rockies in Bozeman, Montana. The specimen was collected in Edgar, Carbon County, Montana, from the Shell Creek member of the Thermopolis Shale Formation, Upper Albian, uppermost Lower Cretaceous.[2]
Taxons Edgarosaurus

Holotype of the polycotylid[1] plesiosaur Edgarosaurus muddi DRUCKENMILLER, 2002, (MOR 751) comprising the skull, the neck, and the left front flipper, on display in the Museum of the Rockies in Bozeman, Montana. The specimen was collected in Edgar, Carbon County, Montana, from the Shell Creek member of the Thermopolis Shale Formation, Upper Albian, uppermost Lower Cretaceous.[2]

musée États-Unis Albien Crétacé +7
Martinectes bonneri cast skeleton in the Rocky Mountain Dinosaur Resource Center in Woodland Park, CO
Taxons Polycotylidae

Martinectes bonneri cast skeleton in the Rocky Mountain Dinosaur Resource Center in Woodland Park, CO

Dolichorhynchia Polycotylidae Polycotylinae
Martinectes bonneri cast skeleton in the Rocky Mountain Dinosaur Resource Center in Woodland Park, CO
Taxons Polycotylinae

Martinectes bonneri cast skeleton in the Rocky Mountain Dinosaur Resource Center in Woodland Park, CO

Dolichorhynchia Polycotylidae Polycotylinae
Martinectes bonneri cast skeleton in the Rocky Mountain Dinosaur Resource Center in Woodland Park, CO
Taxons Dolichorhynchia

Martinectes bonneri cast skeleton in the Rocky Mountain Dinosaur Resource Center in Woodland Park, CO

Dolichorhynchia Polycotylidae Polycotylinae