|
Suborder:
|
Prolecanitina
|
|
Superfamily:
|
Prolecanitoidea
|
|
Family:
|
Prolecanitidae
|
|
Subfamily:
|
Prolecanitinae
|
|
Genus:
|
Prolecanites
|
|
Species:
|
librovitchi |
|
Qualifier:
|
ss |
|
Author:
|
Ruzhencev 1949,p.737
|
|
Lower Boundary:
|
RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
|
Upper Boundary:
|
RUS Nm1b1--Nm1b2 (Domb.carinat.--tectus), 324.6 million years
|