Checklist for Order Xiphosura Latreille, 1802 (Horseshoe crabs) and region Middle Pennsylvanian (Upper Carboniferous)
List of families for Middle Pennsylvanian 3 Families width 8 Species
Genera for Middle Pennsylvanian 3 Genera with 8 Species
Species list for Middle Pennsylvanian 8 Species
Subnodes of Xiphosura with occurrences in Middle Pennsylvanian
Links, sources and further information Xiphosura at horseshoecrab.org Xiphosura at gbif.org Xiphosura at irmng.org Xiphosura at itis.gov Xiphosura at marinespecies.org
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