Checklist for Superfamily Cytheroidea Baird, 1850
and region Middle Ordovician (Ordovician)
List of families for Middle Ordovician
1 Family width 1 Species
Genera for Middle Ordovician
1 Genera with 1 Species
Species list for Middle Ordovician
1 Species
Subnodes of Cytheroidea with occurrences in Middle Ordovician
Links, sources and further information Cytheroidea at artfakta.se
Cytheroidea at dyntaxa.se
Cytheroidea at itis.gov
Cytheroidea at marinespecies.org
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