Suborder:
|
Goniatitina
|
Superfamily:
|
Cycloloboidea
|
Family:
|
Neostacheoceratidae |
Qualifier:
|
fy |
Author:
|
Tumanskaia 1939,p.18.
|
Valid:
|
Vidrioceratidae Plummer & Scott,1937 [TAX5352 ] |
Lower Boundary:
|
Gzhelian--Asselian [C--P], 299 million years
|
Upper Boundary:
|
Rotodiscoceras top, 251.5 million years
|