Checklist for Superfamily Pachylasmatoidea Utinomi, 1968 and region Lower Miocene (Miocene)
List of families for Lower Miocene 1 Family width 2 Species
Genera for Lower Miocene 2 Genera with 2 Species
Species list for Lower Miocene 2 Species
Subnodes of Pachylasmatoidea with occurrences in Lower Miocene
Links, sources and further information Pachylasmatoidea at itis.gov Pachylasmatoidea at marinespecies.org
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