Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
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Pericyclidae
|
Subfamily:
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Ammonellipsitinae
|
Genus:
|
Ammonellipsites
|
Subgenus:
|
Type_B |
Qualifier:
|
gx |
Author:
|
Kuzina 1973,p.21
|
Lower Boundary:
|
DZA Saoura S1b base, 349 million years
|
Upper Boundary:
|
ESC lower Alba Fm. (Marbre griotte) top, 339 million years
|