Suborder:
|
Agoniatitina
|
Superfamily:
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Mimoceratoidea
|
Family:
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Mimosphinctidae
|
Subfamily:
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Anetoceratinae
|
Genus:
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Metabactrites
|
Species:
|
formosus |
Qualifier:
|
ss |
Author:
|
Bogoslovsky 1972,p.45
|
Lower Boundary:
|
CZB zlichovensis Zone base [di97:10,80], 406.7 million years
|
Upper Boundary:
|
CZB barrandei--elegans Zone [13,25], 404.4 million years
|