Suborder:
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Goniatitina
|
Superfamily:
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Pericycloidea
|
Family:
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Pericyclidae
|
Subfamily:
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Ammonellipsitinae
|
Genus:
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Ammonellipsites
|
Subgenus:
|
Type_A |
Qualifier:
|
ge |
Author:
|
Schindewolf 1934,p.343
|
Lower Boundary:
|
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|
Upper Boundary:
|
UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years
|