Suborder:
|
Anarcestina
|
Superfamily:
|
Triainoceratoidea
|
Family:
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Triainoceratidae
|
Genus:
|
Schindewolfoceras?
|
Species:
|
equicostatum |
Qualifier:
|
ss |
Author:
|
Hall 1874,p.3
|
Lower Boundary:
|
Givetian--Frasnian [GIV--FRS], 385.3 million years
|
Upper Boundary:
|
UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
|