|
Suborder:
|
Goniatitina
|
|
Superfamily:
|
Neoicoceratoidea
|
|
Family:
|
Neoicoceratidae
|
|
Subfamily:
|
Neoicoceratinae
|
|
Genus:
|
Neoicoceras
|
|
Species:
|
martini |
|
Qualifier:
|
ss |
|
Author:
|
Nassichuk 1975,p.109
|
|
Lower Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|
|
Upper Boundary:
|
U Atokan--Desmoinesian [ATO--DES], 308.6 million years
|