There are 6 matches

Collection Authorizer Collection name Reference
23555S. Holland St. Peter Sandstone Gastropoda and Monoplacophora, Minnesota Blackriveran - Ordovician 4-5 - Minnesota Sloan and Webers (1987)
23556S. Holland Glenwood Formation Gastropoda and Monoplacophora, Minnesota Blackriveran - Ordovician 4-5 - Minnesota Sloan and Webers (1987)
23557S. Holland Platteville Formation Gastropoda and Monoplacophora, Minnesota Blackriveran/Rocklandian - Ordovician 4-5 - Minnesota Sloan and Webers (1987)
23558S. Holland Decorah Shale Gastropoda and Monoplacophora, Minnesota Rocklandian/Kirkfieldian - Ordovician 4-5 - Minnesota Sloan and Webers (1987)
23579S. Holland Cummingsville Formation Gastropoda and Monoplacophora, Minnesota Shermanian - Ordovician 4-5 - Minnesota Sloan and Webers (1987)
194139P. Wagner Minneapolis, Vanuxemia beds Turinian - Ordovician 4 - Minnesota Ulrich and Scofield (1897)

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