Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
|
Medlicottiidae
|
Subfamily:
|
Sicanitinae
|
Genus:
|
Aktubinskia |
Qualifier:
|
gy |
Author:
|
Ruzhencev 1940,p.475
|
Valid:
|
Sicanites Gemmellaro,1887,p.62 [TAX5927 ] |
Lower Boundary:
|
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
Upper Boundary:
|
Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
|