Classification of Sloan and Webers 1987
G. †Cyrtolites Conrad 1838
show all | hide all
†Cyrtolites dilatatus Ulrich and Scofield 1897
†Cyrtolites wykoffensis Ulrich and Scofield 1897
Or. †Bellerophontida Ulrich and Scofield 1897
show all | hide all
G. †Phragmolites Conrad 1838
show all | hide all
†Phragmolites attenuata Hall 1861
†Phragmolites obliquus Ulrich and Scofield 1897
G. †Salpingostoma Roemer 1876
show all | hide all
†Salpingostoma imbricatum Ulrich and Scofield 1897
†Salpingostoma sculptile Ulrich and Scofield 1897
G. †Sinuites Koken 1896
show all | hide all
†Sinuites concinnus Ulrich and Scofield 1897
†Sinuites pervolutus Ulrich and Scofield 1897
G. †Ecculiomphalus Portlock 1843
show all | hide all
†Ecculiomphalus beloitensis Ulrich and Scofield 1897
†Ecculiomphalus owenanus Meek and Worthen 1868
†Ecculiomphalus subrotundus Ulrich and Scofield 1897
G. †Liospira Ulrich and Scofield 1897
show all | hide all
†Liospira angustina Ulrich and Scofield 1897
†Liospira progue Billings 1860
G. †Michelia Roemer 1855
show all | hide all
†Michelia neglectus Ulrich and Scofield 1897
†Michelia oehlerti Ulrich and Scofield 1897
G. †Trochonema Salter 1859
show all | hide all
†Trochonema lirata Ulrich and Scofield 1897
†Trochonema percarinatum Hall 1847
†Trochonema unbilicatum Hall 1847
G. †Fusispira Hall 1872
show all | hide all
†Fusispira angustus Ulrich and Scofield 1897
†Fusispira convexis Ulrich and Scofield 1897
†Fusispira subplana Ulrich and Scofield 1897
Cl. Monoplacophora Knight 1952
show all | hide all
G. †Triblydium Angelin and Lindström 1880
hide
†Triblydium excertum Sardeson 1892
†Triblydium humilis Ulrich and Scofield 1897
Subg. †Murchisonia (Hormotoma) Salter 1859
show all | hide all
†Hormotoma angustata Hall 1847
†Hormotoma mulivolvis Billings 1857