Suborder:
|
Goniatitina
|
Superfamily:
|
Schistoceratoidea
|
Family:
|
Schistoceratidae
|
Genus:
|
Paraschistoceras
|
Species:
|
reticulatum |
Qualifier:
|
sy |
Author:
|
Miller 1930,p.403
|
Valid:
|
Paraschistoceras hildrethi (Morton 1836) |
Lower Boundary:
|
UTX upper-uppermost Gaptank, 300 million years
|
Upper Boundary:
|
UTX Gaptank Fm. top, 299 million years
|