作者: V. V. Arkadiev
DOI: 10.1134/S003103010805002X
关键词: Cretaceous 、 Western europe 、 Geology 、 Genus 、 Paleontology 、 Bochianites 、 Ammonoidea
摘要: The heteromorph ammonites of the family Bochianitidae from Lower Cretaceous Crimean Mountains are revised. validity genus Janenschites, separated Bochianites is confirmed. species neocomiensis (d’Orbigny), B. goubechensis Mandov, levis sp. nov. and crymensis described Berriasian Janenschites oosteri (Sarasin et Schondelmayer) J. incisus Barremian. first appeared at beginning in southern regions (Africa Crimea), spread to northern western Europe Valanginian-Hauterivian.