Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
|
Reticuloceratidae
|
Subfamily:
|
Reticuloceratinae
|
Genus:
|
Phillipsoceras
|
Species:
|
reticulatum mut.alpha |
Qualifier:
|
sy |
Author:
|
Bisat 1924,p.115
|
Valid:
|
Phillipsoceras gracile (Bisat 1924) |
Lower Boundary:
|
Alportian--Kinderscoutian [ALP--KIN], 317 million years
|
Upper Boundary:
|
Kinderscoutian--Marsdenian [KIN--MRD], 315 million years
|