Osteology and relationships of a plesiosaur (Sauropterygia) from the Thermopolis Shale (lower Cretaceous) of Montana

Druckenmiller, Patrick Scott2015-05-122015-05-121998https://scholarworks.montana.edu/handle/1/8493enSauropterygiaPlesiosauriaPaleontologyShaleOsteology and relationships of a plesiosaur (Sauropterygia) from the Thermopolis Shale (lower Cretaceous) of MontanaThesisCopyright 1998 by Patrick Scott Druckenmiller