Checklist for Class Trilobita Walch, 1771 (Trilobites) and region Covington (Linn County, Iowa, USA)
List of families for Covington (Linn County Iowa) 3 Families width 2 Species
Genera for Covington (Linn County Iowa) 3 Genera with 2 Species
Species list for Covington (Linn County Iowa) 2 Species
Subnodes of Trilobita with occurrences in Covington (Linn County Iowa)
Links, sources and further information Trilobita at ps-19.org Trilobita at trilobites.info Trilobita at westerntrilobites.com Trilobita at gbif.org Trilobita at irmng.org
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