Suborder:
|
Prolecanitina
|
Superfamily:
|
Prolecanitoidea
|
Family:
|
Prolecanitidae
|
Subfamily:
|
Eocanitinae
|
Genus:
|
Becanites |
Qualifier:
|
ge |
Author:
|
Korn 1997,p.34
|
Lower Boundary:
|
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|
Upper Boundary:
|
UMO Northwiew Shale top, 352 million years
|