Early Cretaceous Toxasterid Echinoid Heteraster from the high Zagros basin, south of Iran

Carnets de Geologie: Notebooks of geology

关键词: Spatangoida;    Toxasteridae;    Heteraster;    Dariyan Formation;    Gadvan Formation;    Zagros;    systematics;   

学科分类：地质学

来源: Carnets de Geologie

【 摘 要 】

Two species of spatangoid echinoid belonging to Heteraster Orbigny, 1853, are described from Lower Cretaceous deposits (Gadvan and Dariyan formations) at the Kuh-e Gadvan and Banesh sections situated in Zagros Mountains, south of Iran. Heteraster couloni (Agassiz, 1839) is confirmed in the Barremian and Heteraster delgadoi (Loriol, 1884) in the late Aptian-Albian of Iran. The occurrences of Heteraster and other spatangoid echinoids in Iran show a clear distinction between assemblages from the southern and northern margins of the Tethys during the Early Cretaceous.

【 授权许可】

CC BY