TaxNo: 6614Syngastrioceras websteri
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Glaphyritinae
|
| Genus: |
Syngastrioceras
|
| Species: | websteri |
| Qualifier: | ss |
| Author: |
Titus 2000,p.42
|
| Lower Boundary: |
DER E2a--E2b, 322.5 million years
|
| Upper Boundary: |
GBY E2b3--E2c1 C.nititoides--N.stellar.), 321 million years
|