TaxNo: 3173Synartinskia principalis+*
| Suborder: |
Prolecanitina
|
| Superfamily: |
Medlicottioidea
|
| Family: |
Medlicottiidae
|
| Subfamily: |
Sicanitinae
|
| Genus: |
Synartinskia
|
| Species: | principalis+* |
| Qualifier: | ss |
| Author: |
Ruzhencev 1939,p.461
|
| Lower Boundary: |
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|
| Upper Boundary: |
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|