Classification of Rohr et al. 1981

G. †Oriostoma Munier-Chalmas 1876
show all | hide all
Oriostoma clarki Rohr et al. 1981
Oriostoma helicinum Lindström 1884
G. †Discordichilus Cossmann 1918
show all | hide all
Discordichilus mollis Lindström 1884
G. †Euomphalopterus Roemer 1876
show all | hide all
Euomphalopterus alatus Wahlenberg 1821
G. †Lytospira Koken 1896
show all | hide all
Lytospira gotlandicus Lindström 1884
G. †Pycnomphalus Lindström 1884
show all | hide all
Pycnomphalus obesus Lindström 1884
G. †Platyostoma Conrad 1842
show all | hide all
Platyostoma boggsi Rohr et al. 1981
Platyostoma naticoides Etheridge, Jr. 1878
Subg. †Platyceras (Orthonychia) Hall 1843
show all | hide all
Subg. †Trochonema (Eunema) Salter 1859
show all | hide all
Trochonema (Eunema) kaysi Rohr et al. 1981
Subg. †Platyceras (Platyceras) Conrad 1840
show all | hide all