There are 8 matches

Collection Authorizer Collection name Reference
23771S. Holland Dunleith Formation, Mortimer Member Cephalopods, Illinois, Iowa, Wisconsin Shermanian - Ordovician 4-5 - Illinois, Iowa, Wisconsin Catalani (1987)
23773S. Holland Dunleith Formation, Rivoli Member Cephalopods, Illinois, Iowa, Wisconsin Shermanian - Ordovician 4-5 - Illinois, Iowa, Wisconsin Catalani (1987)
23775S. Holland Dunleith Formation, Sherwood Member Cephalopods, Illinois, Iowa, Wisconsin Shermanian - Ordovician 4-5 - Illinois, Iowa, Wisconsin Catalani (1987)
23776S. Holland Dunleith Formation, Wall Member Cephalopods, Illinois, Iowa, Wisconsin Shermanian - Ordovician 4-5 - Illinois, Iowa, Wisconsin Catalani (1987)
23777S. Holland Dunleith Formation, Wyota Member Cephalopods, Illinois, Iowa, Wisconsin Shermanian - Ordovician 4-5 - Illinois, Iowa, Wisconsin Catalani (1987)
23778S. Holland Wise Lake Formation, Sinsinawa Member Cephalopods, Illinois, Iowa, Wisconsin Edenian - Ordovician 5 - Illinois, Iowa, Wisconsin Catalani (1987)
23783S. Holland Scales Shale, Elgin Member Cephalopods, Illinois, Iowa, Wisconsin Edenian/Maysvillian - Ordovician 5 - Illinois, Iowa, Wisconsin Catalani (1987)
23784S. Holland Scales Shale, Clermont Member Cephalopods, Illinois, Iowa, Wisconsin Maysvillian - Ordovician 5 - Illinois, Iowa, Wisconsin Catalani (1987)

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