Suborder:
|
Agoniatitina
|
Superfamily:
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Agoniatitoidea
|
Family:
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Agoniatitidae
|
Genus:
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Fidelites
|
Species:
|
bicaniculatus |
Qualifier:
|
sn |
Author:
|
Sandberger 1850-56,p.112
|
Valid:
|
Agoniatites bicanaliculatus Sandberger |
Lower Boundary:
|
australis--kockelianus Zone [04,80], 393.8 million years
|
Upper Boundary:
|
MD2A--MD2B: undul.--molarium Z. [13,00], 390.6 million years
|