Home
Help
Print...
TaxNo: 5813Subfamily Dimeroceratinae
Suborder: Tornoceratina
Superfamily: Dimeroceratoidea
Family: Dimeroceratidae
Subfamily: Dimeroceratinae
Qualifier: fy
Author: Hyatt 1884,p.330
Valid: Dimeroceratidae Hyatt (TAX 5723)
Lower Boundary: UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
Upper Boundary: P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years