Home
Help
Print...
TaxNo: 3478Hyattoceras sp.
Suborder: Goniatitina
Superfamily: Marathonitoidea
Family: Hyattoceratidae
Genus: Hyattoceras
Species: sp.
Qualifier: in
Author: div. authors
Lower Boundary: Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
Upper Boundary: RIT Amarassi beds top, 258 million years