Suborder:
|
Goniatitina
|
Superfamily:
|
Shumarditoidea
|
Family:
|
Perrinitidae
|
Genus:
|
Properrinites
|
Species:
|
plummeri |
Qualifier:
|
sy |
Author:
|
Elias 1938,p.104
|
Valid:
|
Properrinites bakeri (Plumm. & Sc. 1937) |
Lower Boundary:
|
UTX Lenox Hills Formation base, 294.6 million years
|
Upper Boundary:
|
UTX Lenox Hills Formation top, 290 million years
|