Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
|
Pronoritidae
|
Subfamily:
|
Pronoritinae
|
Genus:
|
Megapronorites
|
Species:
|
sakmarensis+ |
Qualifier:
|
ss |
Author:
|
Ruzhencev 1949,p.61
|
Lower Boundary:
|
RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
Upper Boundary:
|
RUS Nm1c1--Nm1c2(uralicus--Del.bressoni), 322 million years
|