| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Cyclolobidae
|
| Subfamily: |
Kufengoceratinae
|
| Genus: |
Shengoceras
|
| Species: | lenticulare |
| Qualifier: | sy |
| Author: |
Chao 1955,p.142
|
| Valid: |
Shengoceras simplex Chao,1955 TAX4290 |
| Lower Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
| Upper Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|
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