USGS professional paper · 1932 · 67 citations · 1 references
Natural SciencesPaleontologyZoologyPaleoethnobotanySystematic PaleontologyVertebrate PaleontologyAmmonoid PaleontologyBrachiopod PaleontologyDinosaur PaleontologyMesozoic PalynologyMesozoic VertebratesTransitional FossilsAmmonoid Diversity PatternsAmmonoid EvolutionAmmonoid MorphometricsAmmonoid PaleoecologyAmmonoid Taxonomy
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The Middle Triassic marine invertebrate faunas of North America
Joshua P. Smith · USGS professional paper · 1914 · 48 citations · Full text