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TaxNo: 6065Genus Procyclolobus
Suborder: Goniatitina
Superfamily: Cycloloboidea
Family: Cyclolobidae
Genus: Procyclolobus
Qualifier: gy
Author: Tumanskaia 1939
Valid: Cyclolobus Waagen,1879,p.21
Lower Boundary: PAK Chhidru Fm. base, 260.4 million years
Upper Boundary: PAK Chhidru Fm. top, 253 million years