Suborder:
|
Goniatitina
|
Superfamily:
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Gastrioceratoidea
|
Family:
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Homoceratidae
|
Subfamily:
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Homoceratinae
|
Genus:
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Homoceras
|
Species:
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leedomi |
Qualifier:
|
ss |
Author:
|
Titus & Manger 2001,p.25
|
Lower Boundary:
|
GBY H1a--H1b (subglobosum--beyrichianum), 317.9 million years
|
Upper Boundary:
|
GBY H1b-H2a (Hudsonoceras proteus base), 317.7 million years
|