TaxNo: 6314Proshumardites crassatus
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Agathiceratidae
|
| Genus: |
Proshumardites
|
| Species: | crassatus |
| Qualifier: | ss |
| Author: |
Yang 1978,p.180
|
| Lower Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|
| Upper Boundary: |
Arnsbergian--Chokierian [ARN--CHO], 319 million years
|