TaxNo: 6799Subfamily Marathonitinae
| Suborder: |
Goniatitina
|
| Superfamily: |
Marathonitoidea
|
| Family: |
Marathonitidae
|
| Subfamily: | Marathonitinae |
| Qualifier: | fy |
| Author: |
Ruzhencev 138,p.258
|
| Valid: |
Marathonitidae [TAX5331] |
| Lower Boundary: |
RUS Miachkovian--Zhigulian [MYA--ZHI], 306.5 million years
|
| Upper Boundary: |
RIT Amarassi beds top, 258 million years
|