Home
Help
Print...
TaxNo: 4672Metapronorites certus
Suborder: Prolecanitina
Superfamily: Medlicottioidea
Family: Pronoritidae
Subfamily: Pronoritinae
Genus: Metapronorites
Species: certus
Qualifier: ss
Author: Andrianov 1985,p.115
Lower Boundary: Asselian--Sakmarian [ASS--SAK], 294.6 million years
Upper Boundary: Sakmarian--Artinskian [SAK--ART], 284.4 million years