Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
|
Medlicottiidae
|
Subfamily:
|
Medlicottiinae
|
Genus:
|
Medlicottia
|
Species:
|
kitakamiensis |
Qualifier:
|
ss |
Author:
|
Bando & Ehiro 1985,p.39
|
Lower Boundary:
|
Anderssonoceras/Prototoceras base, 260.4 million years
|
Upper Boundary:
|
Araxoc./Konglingites--Sanyangites, 256 million years
|