Kingdom Animalia Clade Vetigastropoda Phylum Mollusca | Class Gastropoda Superfamily Trochoidea Rank Family | |
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Similar Phasianellidae, Chilodontidae, Solariellidae, Calliostomatidae, Planaxidae | ||
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Contents
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 (intritacalx) formed of pearly beads that are disposed spirally.
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 (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):
2008 taxonomy
Liotiidae was moved to the redefined superfamily Trochoidea according to Williams et al. (2008).
Genera
Genera in this family include:
subfamily Liotiinae
subfamily † Brochidiinae
subfamily † Dichostasiinae