Suborder:
|
Goniatitina
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Superfamily:
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Goniatitoidea
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Family:
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Delepinoceratidae
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Subfamily:
|
Dombaritinae |
Qualifier:
|
fs |
Author:
|
Kullmann 2007,p.139
|
Lower Boundary:
|
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|
Upper Boundary:
|
U Atokan--Desmoinesian [ATO--DES], 308.6 million years
|