MolluscaBase source details
Sloan R.E., Webers G.F. (1987). Stratigraphic ranges of Middle and Late Ordovician Gastropoda and Monoplacophora of Minnesota. R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations. 183-186.
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Sloan R.E., Webers G.F.
1987
Stratigraphic ranges of Middle and Late Ordovician Gastropoda and Monoplacophora of Minnesota
R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations
183-186
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Salpingostoma imbricata Ulrich & Scofield, 1897 † (basis of record)
Salpingostoma sculptilis Ulrich & Scofield, 1897 † (basis of record)
Salpingostoma sculptilis Ulrich & Scofield, 1897 † (basis of record)
