Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
|
Pronoritidae
|
Subfamily:
|
Pronoritinae
|
Genus:
|
Stenopronorites
|
Species:
|
arctusus |
Qualifier:
|
ss |
Author:
|
Ruan 1981,p.173
|
Lower Boundary:
|
CNG Qixu 15--16, 313 million years
|
Upper Boundary:
|
CNG Qixu 16 top, 309.5 million years
|