Liotiidae


Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda.

Description

The head of the animal is proboscidiform. The epipodial line has a pair of conical lobes and three pairs of cirri.
The white shell has a turbiniform or discoidal shape. It shows longitudinal ribs or is clathrate. The shell shows a fine lamellar sculpture. The circular aperture is feebly nacreous. The thick peristome is continuous and shows a callous varix. The multispiral operculum is hispid, corneous and has a soft, calcareous outer layer formed of pearly beads that are disposed spirally.

Taxonomy

2005 taxonomy

The family Liotiidae belongs to the superfamily Turbinoidea, according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
This family consists of the three following subfamilies :
  • Liotiinae Gray, 1850 - synonym: Cyclostrematidae P. Fischer, 1885; McLean ranked it as subfamily of Turbinidae.
  • † Brochidiinae Yochelson, 1956
  • † Dichostasiinae Yochelson, 1956

    2008 taxonomy

Liotiidae was moved to the redefined superfamily Trochoidea according to Williams et al..

Genera

Genera in this family include:
;subfamily Liotiinae
  • Austroliotia Cotton, 1948
  • Bathyliotina Habe, 1961
  • Circumstella Laseron, 1958
  • Cithna A. Adams, 1863
  • Cordarene S.-I Huang, C.-L. Chen & M.-H. Lin, 2018
  • Cyclostrema Marryat, 1818
  • Dentarene Iredale, 1929
  • † Klebyella Gründel, 1998
  • Liotia Gray, 1842 - type genus
  • Liotina Munier-Chalmas, 1885
  • Macrarene Hertlein & Strong, 1951
  • Moniliotina S.-I Huang, M.-H. Lin & C.-L. Chen, 2019
  • Munditia Finlay, 1926
  • Pterarene Sakurai & Habe, 1977
  • Rhodinoliotia Tomlin & Shackleford, 1915
  • Rufanula Barnard, 1963
;subfamily † Dichostasiinae
  • † Dichostasia Yochelson, 1956 - type genus of the subfamily Dichostasiinae
;Not in a subfamily:
  • †Pareuchelus O. Boettger, 1907
  • Rotaliotina S.-I Huang, 2023
;Genera brought into synonymy:
  • Conicella Laseron, 1954: synonym of Wanganella Laseron, 1954
  • Liochrysta Laseron, 1958: synonym of Pseudoliotia Tate, 1898