Home
Help
Print...
TaxNo: 5917Family Episageceratidae
Suborder: Prolecanitina
Superfamily: Medlicottioidea
Family: Episageceratidae
Qualifier: fy
Author: Ruzhencev 1956,p.160
Valid: Medlicottiidae (Episageceratinae) [TAX5913]
Lower Boundary: RIT Basleo beds base, 270.6 million years
Upper Boundary: Griesbachian--Dienerian [GRI--DIE], 250.3 million years