Suborder:
|
Tornoceratina
|
Superfamily:
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Tornoceratoidea
|
Family:
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Posttornoceratidae
|
Genus:
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Discoclymenia
|
Species:
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cornwallensis aff., sp.nov. |
Qualifier:
|
af |
Author:
|
Becker 2002,p.70
|
Lower Boundary:
|
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|
Upper Boundary:
|
UD6B--UD6C1 Kamptoclym. endogona base, 362.4 million years
|