Suborder:
|
Goniatitina
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Superfamily:
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Shumarditoidea
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Family:
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Somoholitidae
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Genus:
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Neoshumardites
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Species:
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triceps+* |
Qualifier:
|
ss |
Author:
|
Ruzhencev 1936,p.1084
|
Lower Boundary:
|
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
Upper Boundary:
|
Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
|