Classification of the genus Ptyctodus
G. †Ptyctodus Pander 1858
show all | hide all
†Ptyctodus bradyi Hussakof 1942
†Ptyctodus calceolus Newberry and Worthen 1866
†Ptyctodus compressus Eastman 1898
†Ptyctodus czarnockii Gorizdro-Kulczykka 1934
†Ptyctodus eastmani Weller 1906
†Ptyctodus ferox Eastman 1898
†Ptyctodus howlandi Hussakof and Bryant 1919
†Ptyctodus kielcensis Gorizdro-Kulczykka 1934
†Ptyctodus major Rohon 1895
†Ptyctodus molaris Eastman 1898
†Ptyctodus obliquus Pander 1858
†Ptyctodus panderi Eastman 1898
†Ptyctodus punctatus Eastman 1898
†Ptyctodus reimanni Carter 1942
†Ptyctodus sibericus Tolmachoff 1915