Carlile Shale
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The Carlile Shale is a Turonian age Upper/Late Cretaceous series shale geologic formation in the central-western United States, including in the Great Plains region of Colorado, Kansas, Nebraska, New
1867, bluffs west of Hays, behind the seated soldiers is pre-settlement digging in the Blue Hill Shale, possibly for selenite.
The bare Blue Hill Shale slopes at Yocemento as they appeared in 1873 to Robert Benecke.
Coniasaurus
Ptychodus mammillaris
Megacephalosaurus
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Megacephalosaurus is an extinct genus of short-necked pliosaur that inhabited the Western Interior Seaway of North America about 94 to 93 million years ago during the Turonian stage of the Late Cretac
Carlile Shale
…Fairport Chalk Member. A partial rostrum. A pholidosaur. Plesiosaurs Plesiosaurs Genus Species Location Stratigraphic position Material Notes Images Megacephalosaurus M. eulerti Near Fairport, Kansas. Fairport Chalk Member. A skull & anterior cervical material (FHSM VP-321). A pliosaurid. Plesiosauria Mitchell County…
Views from different angles of the skull and right mandible of the holotype specimen of M. eulerti (FHSM VP-321).
Placochelys BW
Nothosaurus BW
Leptocleidus BW