Suborder:
|
Goniatitina
|
Superfamily:
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Nomismoceratoidea
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Family:
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Nomismoceratidae
|
Genus:
|
Hudsonoceras?
|
Species:
|
catharinae |
Qualifier:
|
ss |
Author:
|
Schmidt 1925,p.598
|
Lower Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|
Upper Boundary:
|
DER Duckmantian, Westph.B1--Westph.B2, 310.8 million years
|