Suborder:
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Agoniatitina
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Superfamily:
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Agoniatitoidea
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Family:
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Auguritidae
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Genus:
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Celaeceras
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Species:
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sp. |
Qualifier:
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in |
Author:
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div. authors
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Lower Boundary:
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CZB barrandei--elegans Zone [13,25], 404.4 million years
|
Upper Boundary:
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Zlichovian--Dalejan (l.--u.Ems.) [14,20], 404 million years
|