Molluscan fauna from the Permian Kaikab formation,Walnut Canyon,Arizona
Chronic,Halka
Molluscan fauna from the Permian Kaikab formation,Walnut Canyon,Arizona - - New York - EEUU Geological Society of America 1952 - 170p. 23x36cm - Bulletin of the Geological Society of America v.63 .
--Moluscos fosiles--Paleozoologia--Paleontologia--Permico--Formacion Kaibab--Cañon Walnut--Arizona--Estados Unidos
Geologia
Molluscan fauna from the Permian Kaikab formation,Walnut Canyon,Arizona - - New York - EEUU Geological Society of America 1952 - 170p. 23x36cm - Bulletin of the Geological Society of America v.63 .
--Moluscos fosiles--Paleozoologia--Paleontologia--Permico--Formacion Kaibab--Cañon Walnut--Arizona--Estados Unidos
Geologia