Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
The main diagnostic character of polyconitid rudists is a distinctive ectomyophoral cavity inserted behind a reflexed posterior myophoral plate in the left valve. The only pre-Aptian Old World polyconitid taxon recognized in the current literature is Horiopleura dumortieri (Matheron): this species clearly shows the prominent posterior myophoral shelf in the right valve that is diagnostic of the genus, which continues into the Albian. | A new species of polyconites from the lower Aptian of iberia and the early evolution of Polyconitid rudists
