Carapace and Plastron of Basilemys Sinuosus, a new Fossil Tortoise From the Laramie Beds of MontRiggs Elmer S, Elmer S., RiggsInbunden409 kr
New or Little Known Titanotheres From the Lower Uintah Formations, With Notes on the Stratigraphy and Distribution of FossilsElmer S Riggs, Oliver C. (Oliver Cumming Farrington, Field Museum Of Natural HistoryInbunden459 kr
New or Little Known Titanotheres From the Lower Uintah Formations, With Notes on the Stratigraphy and Distribution of FossilsElmer S Riggs, Oliver C. (Oliver Cumming Farrington, Field Museum Of Natural HistoryHäftad229 kr
New Marsupial Saber-Tooth from the Pliocene of Argentina and Its Relationships to Other South American Predacious MarsupialsElmer S. RiggsHäftad1 219 kr
New or Little Known Titanotheres From the Lower Uintah Formations, With Notes on the Stratigraphy and Distribution of FossilsElmer S Riggs, Oliver C. (Oliver Cumming Farrington, Field Museum Of Natural HistoryInbunden459 kr
New or Little Known Titanotheres From the Lower Uintah Formations, With Notes on the Stratigraphy and Distribution of FossilsElmer S Riggs, Oliver C. (Oliver Cumming Farrington, Field Museum Of Natural HistoryHäftad229 kr
Carapace and Plastron of Basilemys Sinuosus, a new Fossil Tortoise From the Laramie Beds of MontRiggs Elmer S, Elmer S., RiggsInbunden409 kr
New Marsupial Saber-Tooth from the Pliocene of Argentina and Its Relationships to Other South American Predacious MarsupialsElmer S. RiggsHäftad1 219 kr