Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Paragastrioceratidae
|
Subfamily:
|
Pseudogastrioceratinae
|
Genus:
|
Daubichites
|
Species:
|
fortieri |
Qualifier:
|
ss |
Author:
|
Harker 1960,p.75
|
Lower Boundary:
|
TAP Kochusu Fm. base, 270.6 million years
|
Upper Boundary:
|
Kochusu Fm.,lower,basal lst.--lower part, 270.3 million years
|