Suborder:
|
Goniatitina
|
Superfamily:
|
Marathonitoidea
|
Family:
|
Marathonitidae
|
Genus:
|
Promarathonites
|
Species:
|
sp.nov. |
Qualifier:
|
of |
Author:
|
Boardman et al. 1994,pl.
|
Lower Boundary:
|
Moscovian--Kasimovian [MOS--KAS], 306.5 million years
|
Upper Boundary:
|
U Missourian--Virgilian [MIS--VIR], 305 million years
|