Full reference: S. P. Welles. 1943. Elasmosaurid plesiosaurs with description of new material from California and Colorado. Memoirs of the University of California 13:125-254
Ecology: aquatic carnivore
Distribution: found only at northwest of Forsyth, west of Venanda (Cretaceous of Montana)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.