Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
|
Glaphyritidae
|
Subfamily:
|
Glaphyritinae
|
Genus:
|
Syngastrioceras
|
Species:
|
prior cf. |
Qualifier:
|
cf |
Author:
|
Kullmann 1962,p.303
|
Lower Boundary:
|
ESC Grey Marl Alba Fm. base, 324 million years
|
Upper Boundary:
|
ESC Grey Marl Alba Fm. top, 321 million years
|