Checklist for Superfamily Bairdioidea G. O. Sars, 1887 and region Ordovician (Paleozoic)
List of families for Ordovician 1 Family width 31 Species and 2 Subspecies
Genera for Ordovician 3 Genera with 31 Species
Species list for Ordovician 31 Species and 2 Subspecies
Subnodes of Bairdioidea with occurrences in Ordovician
Links, sources and further information Bairdioidea at artfakta.se Bairdioidea at dyntaxa.se Bairdioidea at itis.gov Bairdioidea at marinespecies.org
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