Suborder:
|
Anarcestina
|
Superfamily:
|
Triainoceratoidea
|
Family:
|
Pharciceratidae
|
Genus:
|
Neopharciceras
|
Species:
|
daizhaimenensis |
Qualifier:
|
sn |
Author:
|
Yang 1984,p.32
|
Lower Boundary:
|
mid.--up.varcus Zone [17,00], 389 million years
|
Upper Boundary:
|
AUW Frasnian A--B, 384.6 million years
|