Suborder:
|
Goniatitina
|
Superfamily:
|
Shumarditoidea
|
Family:
|
Perrinitidae
|
Genus:
|
Metaperrinites
|
Species:
|
latumbilicatus |
Qualifier:
|
ss |
Author:
|
Leonova 1983,p.45
|
Lower Boundary:
|
TAP Kochusu Fm. base, 270.6 million years
|
Upper Boundary:
|
TAP Shindyi Fm. top, 265.8 million years
|