|
Suborder:
|
Goniatitina
|
|
Superfamily:
|
Marathonitoidea
|
|
Family:
|
Marathonitidae
|
|
Genus:
|
Almites
|
|
Species:
|
ventrosus |
|
Qualifier:
|
ss |
|
Author:
|
Leonova 1982,p.30
|
|
Lower Boundary:
|
TAP Kochusu Fm. base, 270.6 million years
|
|
Upper Boundary:
|
TAP Kochusu Fm.--Shindyi Fm., 268 million years
|