Suborder:
|
Goniatitina
|
Superfamily:
|
Marathonitoidea
|
Family:
|
Marathonitidae
|
Genus:
|
Subkargalites
|
Species:
|
parkeri |
Qualifier:
|
ss |
Author:
|
Heilprin 1884,p.53
|
Lower Boundary:
|
UTX upper-uppermost Gaptank, 300 million years
|
Upper Boundary:
|
UTX Gaptank Fm. top, 299 million years
|