Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
|
Medlicottiidae
|
Subfamily:
|
Medlicottiinae
|
Genus:
|
Artinskia
|
Species:
|
sassykensis |
Qualifier:
|
ss |
Author:
|
Tumanskaia 1939,p.117
|
Lower Boundary:
|
Sygar Fm. base, 284.4 million years
|
Upper Boundary:
|
Chelamchin Fm. top, 270.6 million years
|