Suborder:
|
Goniatitina
|
Superfamily:
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Gastrioceratoidea
|
Family:
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Homoceratidae
|
Subfamily:
|
Homoceratinae
|
Genus:
|
Isohomoceras
|
Species:
|
sp.nov. |
Qualifier:
|
of |
Author:
|
Manger et al. 1985,p.192
|
Lower Boundary:
|
Arnsbergian--Chokierian [ARN--CHO], 319 million years
|
Upper Boundary:
|
Chokierian--Alportian [CHO--ALP], 317.7 million years
|