| Suborder: |
Goniatitina
|
| Superfamily: |
Thalassoceratoidea
|
| Family: |
Bisatoceratidae
|
| Genus: |
Bisatoceras
|
| Species: | elegantulum |
| Qualifier: | ss |
| Author: |
Ruan 1981,p.202
|
| Lower Boundary: |
CNG Qixu 15 base, 315.4 million years
|
| Upper Boundary: |
CNG Qixu 15--16, 313 million years
|
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