TaxNo: 3765Subfamily Prionoceratinae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: | Prionoceratinae |
| Qualifier: | fy |
| Author: |
Hyatt 1884,p.328
|
| Valid: |
Prionoceratidae Hyatt (TAX3764) |
| Lower Boundary: |
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|
| Upper Boundary: |
RUS Nm1c1--Nm1c2(uralicus--Del.bressoni), 322 million years
|