Arion aterrimus L. Pfeiffer & J. E. Gray, 1855 accepted as
Oopelta aterrima (L. Pfeiffer & J. E. Gray, 1855) (original description)
Clausiliidae J. E. Gray, 1855 (original description)
Clausilioidea J. E. Gray, 1855 (original description)
Girasia J. E. Gray, 1855 (original description)
Girasia hookeri J. E. Gray, 1855 (original description)
Laconia J. E. Gray, 1855 (original description)
Mariaella Gray, 1855 (original description)
Mariaella dussumieri L. Pfeiffer, 1855 (original description)
Milax J. E. Gray, 1855 (original description)
Milax antipodarum L. Pfeiffer & J. E. Gray, 1855 accepted as
Milax gagates (Draparnaud, 1801) (original description)
Orpiella Gray, 1855 (original description)
Peltella J. E. Gray, 1855 accepted as
Drymaeus Albers, 1850 (original description)
Peltella palliolum (A. Férussac, 1821) accepted as
Drymaeus palliolum (A. Férussac, 1821) (new combination reference)