|
Suborder:
|
Otoceratina
|
|
Family:
|
Proptychitidae
|
|
Genus:
|
Procarnites
|
|
Species:
|
kunlunensis |
|
Qualifier:
|
ss |
|
Author:
|
Wang & Yang 1992,p.354
|
|
Lower Boundary:
|
Permian--Triassic (Induan base), 251 million years
|
|
Upper Boundary:
|
Olenekian--Anisian (top Spathian), 245 million years
|