Transactions and proceedings of the Paleontological Society of Japan. New series · 1974 · 26 citations · 3 references
Natural SciencesEarth SciencesPaleontologyIchnologyAmmonoid PaleontologyAmmonoid Paleoecology
3
The Triassic cephalopod genera of America
Alpheus Hyatt, Joshua P. Smith · USGS professional paper · 1905 · 90 citations · Full text
Lower Triassic ammonoids of North America
Joshua P. Smith · USGS professional paper · 1932 · 67 citations · Full text