Suborder:
|
Tornoceratina
|
Superfamily:
|
Dimeroceratoidea
|
Family:
|
Cheiloceratidae
|
Genus:
|
Cheiloceras
|
Species:
|
daminshanense |
Qualifier:
|
sn |
Author:
|
Liang 1980,p.482
|
Valid:
|
Maeneceras sp. TAX1310 |
Lower Boundary:
|
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|
Upper Boundary:
|
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|