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TaxNo: 1635Holzapfeloceras inversum
Suborder: Anarcestina
Superfamily: Anarcestoidea
Family: Holzapfeloceratidae
Genus: Holzapfeloceras
Species: inversum
Qualifier: ss
Author: Wedekind 1918,p.116
Lower Boundary: australis--kockelianus Zone [04,80], 393.8 million years
Upper Boundary: MD2A--MD2B: undul.--molarium Z. [13,00], 390.6 million years

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