Suborder:
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Anarcestina
|
Superfamily:
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Beloceratoidea
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Family:
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Acanthoclymeniidae
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Genus:
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Acanthoclymenia
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Species:
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planorbis |
Qualifier:
|
ss |
Author:
|
Sandberger & Sandb. 1851,p.9
|
Lower Boundary:
|
DER do one beta--do one gamma, 377.5 million years
|
Upper Boundary:
|
UD1J--UD1K:paradox.--A.varicosum [04,85], 376.9 million years
|