Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Paragastrioceratidae
|
Subfamily:
|
Pseudogastrioceratinae
|
Genus:
|
Altudoceras
|
Species:
|
qiaoxiaense |
Qualifier:
|
ss |
Author:
|
Zhou 1987,p.323
|
Lower Boundary:
|
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
Upper Boundary:
|
CN South Maokou top--Wuchiapingian base, 260.4 million years
|