Suborder:
|
Tornoceratina
|
Superfamily:
|
Pseudohaloritoidea
|
Family:
|
Pseudohaloritidae
|
Subfamily:
|
Shouchangoceratinae
|
Genus:
|
Qinglongites
|
Species:
|
costatus |
Qualifier:
|
ss |
Author:
|
Zheng 1981,p.109
|
Lower Boundary:
|
Pseudotir./Pleuron.--Rotodiscoceras beds, 252 million years
|
Upper Boundary:
|
Rotodiscoceras top, 251.5 million years
|