Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Paragastrioceratidae
|
Subfamily:
|
Paragastrioceratinae
|
Genus:
|
Bulunites |
Qualifier:
|
gy |
Author:
|
Andrianov 1985,p.131
|
Valid:
|
Epijuresanites ? Popov,1970 TAX5259 |
Lower Boundary:
|
Gzhelian--Asselian [C--P], 299 million years
|
Upper Boundary:
|
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|