Checklist for Suborder Asaphina Fortey & Chatterton, 1988 and region Jefferson (Poweshiek County, Iowa, USA)
List of families for Jefferson (Poweshiek County) 1 Family width 1 Species
Genera for Jefferson (Poweshiek County) 1 Genera with 1 Species
Species list for Jefferson (Poweshiek County) 1 Species
Subnodes of Asaphina with occurrences in Jefferson (Poweshiek County)
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