Suborder:
|
Anarcestina
|
Superfamily:
|
Beloceratoidea
|
Family:
|
Gephuroceratidae
|
Subfamily:
|
Gephuroceratinae
|
Genus:
|
Crickites
|
Species:
|
rickardi |
Qualifier:
|
ss |
Author:
|
House & Kirchgasser 1993,p.274
|
Lower Boundary:
|
UNY Lower--Upper Hanover Shale (23--24), 375.7 million years
|
Upper Boundary:
|
UNY Upper Hanover Shale top (24--25), 374.5 million years
|