Suborder:
|
Goniatitina
|
Superfamily:
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Goniatitoidea
|
Family:
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Goniatitidae
|
Genus:
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Hibernicoceras |
Qualifier:
|
ge |
Author:
|
Moore & Hodson 1958,p.87
|
Lower Boundary:
|
DER Go beta falcatus--Go beta gracilis, 329.1 million years
|
Upper Boundary:
|
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|