Jormungandr walhallaensis : a new mosasaurine (Squamata: Mosasauroidea) from the Pierre Shale Formation (Pembina Member: Middle Campanian) of North Dakota /Author: Zietlow, Amelia R.,
Publisher: New York, NY : American Museum of Natural History,
Date: [2023] This title can be found in 1 Iowa libraries.
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