Infundibulum is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.

Description The conical shell is false-umbilicate. The periphery is angular. The base of the shell is nearly flat, or concave. The outer surface is smooth, costate or granular. The outer lip is not lirate within. The columella is inserted in the center of the axis. It is more or less folded above, its edge straight, oblique, not toothed, and without a notch at its base.H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia

Species Species within the genus Infundibulum include: Infundibulum concavum (Gmelin, 1791) Infundibulum tomlini (Fulton, 1930)Marshall B. A. (2000). "Systematics of the genus Infundibulum Montfort, 1810 (Gastropoda: Trochidae)". The Nautilus 114(4): 149-154.

The Indo-Pacific Molluscan Database also includes the following species:OBIS: Infundibulum Infundibulum aemulans A. Adams, 1854

Synonyms Infundibulum (Lamprostoma) Swainson, 1840: synonym of Trochus Linnaeus, 1758 Infundibulum baccatus Sowerby, G.B. III, 1889: synonym of Trochus cariniferus Reeve, L.A., 1842 Infundibulum calcaratum (Souverbie in Souverbie & Montrouzier, 1874): synonym of Trochus calcaratus Souverbie in Souverbie & Montrouzier, 1875 Infundibulum cariniferum (Reeve, 1842): synonym of Infundibulops cariniferus (Reeve, 1842) Infundibulum chloromphalus A. Adams, 1851: synonym of Trochus chloromphalus (A. Adams, 1851) Infundibulum erythraeum (Brocchi, 1821): synonym of Infundibulops erythraeus Brocchi, G.B., 1821 Infundibulum typus Montfort, 1810: synonym of Infundibulum concavum (Gmelin, 1791) Nomen dubium Infundibulum depressum Say, T., 1826

References

Marshall B.A. (2000) Systematics of the genus Infundibulum Montfort, 1810 (Gastropoda: Trochidae). The Nautilus 114(4):149-154