Suborder:
|
Prolecanitina
|
Superfamily:
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Medlicottioidea
|
Family:
|
Medlicottiidae
|
Subfamily:
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Episageceratinae
|
Genus:
|
Episageceras |
Qualifier:
|
ge |
Author:
|
Noetling 1904, p.363
|
Lower Boundary:
|
PAK Chhidru Fm. base, 260.4 million years
|
Upper Boundary:
|
Griesbachian--Dienerian [GRI--DIE], 250.3 million years
|