| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Pseudarietitidae
|
| Subfamily: |
Pseudarietitinae
|
| Genus: |
Paralytoceras
|
| Species: | lenticulum |
| Qualifier: | ss |
| Author: |
Ruan 1981,p.92
|
| Lower Boundary: |
DER Ps. westfalicus--Paragattend. patens, 358 million years
|
| Upper Boundary: |
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|