Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
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Glaphyritidae
|
Subfamily:
|
Glaphyritinae
|
Genus:
|
Glaphyrites
|
Species:
|
librovitchi |
Qualifier:
|
ss |
Author:
|
Popov & Kuzina 1993,p.43
|
Lower Boundary:
|
Alportian--Kinderscoutian [ALP--KIN], 317 million years
|
Upper Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|