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TaxNo: 1576Praewerneroceras crebriseptum
Suborder: Anarcestina
Superfamily: Anarcestoidea
Family: Anarcestidae
Subfamily: Anarcestinae
Genus: Praewerneroceras
Species: crebriseptum
Qualifier: ss
Author: Barrande 1865,pl.7
Lower Boundary: CZB Daleje Shale--Trebotov Lst., 402 million years
Upper Boundary: CZB Trebotov Lst.--Chotec Lst., 397.5 million years