TaxNo: 6385Marathonites guangdongensis
| Suborder: |
Goniatitina
|
| Superfamily: |
Marathonitoidea
|
| Family: |
Marathonitidae
|
| Genus: |
Marathonites
|
| Species: | guangdongensis |
| Qualifier: | sn |
| Author: |
Xu 1977,p.571
|
| Lower Boundary: |
RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
|
| Upper Boundary: |
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|