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TaxNo: 7169Maenioceras heinorum
Suborder: Anarcestina
Superfamily: Triainoceratoidea
Family: Maenioceratidae
Genus: Maenioceras
Species: heinorum
Qualifier: ss
Author: Ebbighausen et.al. 2007,p.167
Lower Boundary: eiflius--ensensis, 392.2 million years
Upper Boundary: MD2D--MD3A:A.sulcat.--Pharc.lateseptatum, 389 million years