Suborder:
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Tornoceratina
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Superfamily:
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Dimeroceratoidea
|
Family:
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Cheiloceratidae
|
Genus:
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Melonites |
Qualifier:
|
ge |
Author:
|
Bogoslovsky 1971,p.97
|
Lower Boundary:
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UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
|
Upper Boundary:
|
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|