Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
|
Pronoritidae
|
Subfamily:
|
Pronoritinae
|
Genus:
|
Stenopronorites?
|
Species:
|
peruvianus |
Qualifier:
|
sn |
Author:
|
Thomas 1928,p.291
|
Lower Boundary:
|
U Halian--Bloydian, Brentwood base, 313 million years
|
Upper Boundary:
|
UTX Smithwick Fm. top, 308.6 million years
|