TaxNo: 3364Agathiceras contractum
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Agathiceratidae
|
| Genus: |
Agathiceras
|
| Species: | contractum |
| Qualifier: | ss |
| Author: |
Plummer & Scott 1937,p.125
|
| Lower Boundary: |
UTX Clyde Fm. base, 290 million years
|
| Upper Boundary: |
UTX Clyde Fm. top, 284.4 million years
|