Suborder:
|
Goniatitina
|
Superfamily:
|
Shumarditoidea
|
Family:
|
Perrinitidae
|
Genus:
|
Metaperrinites
|
Species:
|
brouweri |
Qualifier:
|
sy |
Author:
|
Smith 1927,p.55
|
Valid:
|
Metaperrinites subcumminsi (Haniel 1915) [TAX3323 ] |
Lower Boundary:
|
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
Upper Boundary:
|
Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
|