Suborder:
|
Prolecanitina
|
Superfamily:
|
Prolecanitoidea
|
Family:
|
Prolecanitidae
|
Subfamily:
|
Eocanitinae
|
Genus:
|
Becanites
|
Species:
|
gurleyi |
Qualifier:
|
ss |
Author:
|
Smith 1903,p.13
|
Lower Boundary:
|
UMO Northwiew Shale base, 353 million years
|
Upper Boundary:
|
UMO Northwiew Shale top, 352 million years
|