Suborder:
|
Goniatitina
|
Superfamily:
|
Shumarditoidea
|
Family:
|
Perrinitidae
|
Genus:
|
Metaperrinites
|
Species:
|
toumanskayae |
Qualifier:
|
ss |
Author:
|
Leonova 1983,p.42
|
Lower Boundary:
|
TAP Kochusu Fm. base, 270.6 million years
|
Upper Boundary:
|
Kochusu Fm., upper, middle--upper part, 268.5 million years
|