Suborder:
|
Goniatitina
|
Superfamily:
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Schistoceratoidea
|
Family:
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Christioceratidae
|
Genus:
|
Christioceras
|
Species:
|
domokhotovi |
Qualifier:
|
ss |
Author:
|
Popov 1970,p.136
|
Lower Boundary:
|
U Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years
|
Upper Boundary:
|
UAR Lower--Upper Atoka Fm., 309.2 million years
|