TaxNo: 4591Rectimitoceras alternatum
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Prionoceratinae
|
| Genus: |
Rectimitoceras
|
| Species: | alternatum |
| Qualifier: | ss |
| Author: |
Korn 1992,p.31
|
| Lower Boundary: |
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|
| Upper Boundary: |
UD6B--UD6C1 Kamptoclym. endogona base, 362.4 million years
|