Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
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Medlicottiidae
|
Subfamily:
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Sicanitinae
|
Genus:
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Synartinskia
|
Species:
|
sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
|
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|
Upper Boundary:
|
Chelamchin Fm. top, 270.6 million years
|