NEW AMMONITES FROM THE UPPER CALLOVIAN OF THE PECHORA REGION

Abstract

The following new ammonite taxa are described: Dolganites, Longoceras, Platylongoceras, Transilongoceras, Platychamoussetia, Dolganites adzvensis, Longoceras raricostatum, Platylongoceras pechoicum, Transilongoceras lambertifome, Quenstedtoceras (Lamberticeras?) pechoricum, Q. (Quenstedtoceras) adzvavomense, Q. (Q.) pseudoleachi, and Chamoussetia (Platychamoussetia) dertevi. A new more detailed biochronological scheme of the Upper Callovian of the Pechora Region is proposed.