Suborder:
|
Goniatitina
|
Superfamily:
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Adrianitoidea
|
Family:
|
Adrianitidae
|
Subfamily:
|
Adrianitinae |
Qualifier:
|
fs |
Author:
|
Schindewolf 1931,p.199
|
Lower Boundary:
|
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
Upper Boundary:
|
RIT Amarassi beds top, 258 million years
|