20494 - Top Rare 4.82 Inch Complete Euclastes sp Paleocene Sea Turtle Lower Jaw Myliobatis Enchodus zipapanensis

Enchodus zipapanensis

Kerfornella

Proceratocephala

Other polymorphs of calcium carbonate are the minerals aragonite and vaterite

lance-shaped mandibular symphysis that bears a pronounced dorsal eminence near the posterior end of its dorsal (occlusal) surface

20494 - Top Rare 4.82 Inch Complete Euclastes sp Paleocene Sea Turtle Lower Jaw Myliobatis Enchodus zipapanensisEuclastes sp, Cope 1870 (sea turtle) Reptilia Testudines Pancheloniidae Beautiful lower jaw. It has some glued fractures. Since the rst study of Moroccan fossil turtles, and the up dated overview by Lapparent de Broin of Moroccan fossil turtles, abundant new material has been obtained from the Maastrichtian to the Ypresian phosphatic basins of Morocco. Phosphate turtles belong to the two major groups of extant turtles: Pleurodira, mostly represented