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Checklist for Subfamily
Ptychopyginae
BALASHOVA, 1964
and region
Paleozoic
(Phanerozoic)
Class
Trilobita
♰
Walch, 1771
Trilobites
208
2672
6660
Families
Genera
Species
Taxom
Order
Asaphida
♰
Salter, 1864
Families
Genera
Species
Taxom
Suborder
Asaphina
♰
Fortey & Chatterton, 1988
Families
Genera
Species
Taxom
Superfamily
Asaphoidea
♰
Burmeister, 1843
Families
Genera
Species
Taxom
Family
Asaphidae
♰
Burmeister, 1843
Genera
Species
Taxom
Subfamily
Ptychopyginae
♰
BALASHOVA, 1964
Genera
Species
Taxom
