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TaxNo: 23Hasselbachia multisulcatum
Suborder: Tornoceratina
Superfamily: Prionoceratoidea
Family: Gattendorfiidae
Genus: Hasselbachia
Species: multisulcatum
Qualifier: ss
Author: Vöhringer 1960,p.141
Lower Boundary: DER Acutimit.acutum--Paproth.dorsoplanus, 358.8 million years
Upper Boundary: DER Papr.dorsopl.--Pseudar.westfal. [00., 358.4 million years

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