Classification of Dockery 1993
Fm. Turritellidae Lovén 1847 [turret shell]
show all | hide all
Subfm. Turritellinae Lovén 1847
hide
G. Turritella Lamarck 1799 [turret shell]
hide
†Turritella quadrilira Johnson 1898
†Turritella trilira Conrad 1860
†Turritella vertebroides Morton 1834
Fm. Architectonicidae Gray 1850
show all | hide all
Fm. Calyptraeidae Lamarck 1809 [slipper shell]
show all | hide all
Fm. Epitoniidae Berry 1910 [wentletrap]
show all | hide all
Fm. †Glauconiidae Pchelintsev 1953
show all | hide all
Fm. Mathildidae Dall 1889
show all | hide all
G. Gegania Jeffreys 1884
G. †Lemniscolittorina Sohl 1960
G. Mathilda Semper 1865
Fm. Naticidae Guilding 1834 [moon snail]
show all | hide all
Invalid names: Gyrodinae Wenz 1941 [empty]
Fm. Neritidae Rafinesque 1815
show all | hide all
Subfm. Polinicinae Gray 1847
show all | hide all
Fm. Potamididae Adams and Adams 1854 [horn snail]
show all | hide all
Fm. Tornidae Sacco 1896
show all | hide all
Fm. Trochidae Rafinesque 1815 [top snail]
show all | hide all
Fm. Xenophoridae Troschel 1852 [carrier shell]
show all | hide all
G. Xenophora Fischer von Waldheim 1807
Subg. Xenophora (Xenophora) Fischer von Waldheim 1807
show all | hide all
†Xenophora (Xenophora) leprosa Morton 1834
Subg. †Gyrodes (Sohlella) Popenoe et al. 1987
show all | hide all
†Gyrodes (Sohlella) canadensis Whiteaves 1903
†Gyrodes (Sohlella) spillmani Gabb 1861