TaxNo: 2132Bollandoceras micronotoide
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Maxigoniatitidae
|
| Genus: |
Bollandoceras
|
| Species: | micronotoide |
| Qualifier: | ss |
| Author: |
Bisat 1934,p.290
|
| Lower Boundary: |
Holkerian--Asbian [V3a--V3b] [HLK--ASB], 336.5 million years
|
| Upper Boundary: |
Asbian--Brigantian [P1a--P1b] [ASB--BRI], 332 million years
|