TaxNo: 5549Agathiceras toriyamai
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Agathiceratidae
|
| Genus: |
Agathiceras
|
| Species: | toriyamai |
| Qualifier: | ss |
| Author: |
Nishida 1971,p.3
|
| Lower Boundary: |
U Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years
|
| Upper Boundary: |
UAR Upper Atoka Fm. top, 308.6 million years
|