Suborder:
|
Goniatitina
|
Superfamily:
|
Cycloloboidea
|
Family:
|
Cyclolobidae
|
Subfamily:
|
Kufengoceratinae
|
Genus:
|
Paratongluceras
|
Species:
|
hunanense |
Qualifier:
|
sn |
Author:
|
Xu 1977,p.571
|
Lower Boundary:
|
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
Upper Boundary:
|
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|