Images Of Fossils From Death Valley National Park In The Public Domain

Ammonoids And Orthocone Nautiloids Figured From United States Geological Survey Professional Paper 483-A California Carboniferous Cephalopods by Mackenzie Gordon Jr., 1964

Ammonoids, Figures 7, 8, and 9 from Plate 4, back and side views of a paratype specimen of Anthracoceras macallisteri; Upper Mississippian Perdido Formation, Rest Spring Gulch, Death Valley National Park. Specimens are magnified somewhat greater than X2.

Ammonoids, Figures 15, 16, and 17 from Plate 4; back, side and front views of Prolecanites (Rhipaecanites0? sp. The specimen is magnified somewhat greater than X4. From the Upper Mississippian Perdido Formation, Quartz Spring, Panamint Range, Death Valley National Park.

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