Phrontis (gastropod)

Phrontis  is a genus of sea snails, marine gastropod mollusks in the subfamily Nassariinae of the family Nassariidae, the Nassa mud snails or dog whelks.

Description
The spire is elevated and acuminate. The whorls are ribbed or nodulose. The inner lip is smooth and has an extended, thickened callus.

Species
Species within the genus Phrontis  include:
 * Phrontis alba (Say, 1826)
 * Phrontis antillara (d'Orbigny, 1847)
 * Phrontis candidissima (C. B. Adams, 1845)
 * Phrontis complanata (Powys, 1835)
 * Phrontis hotessieriana (d'Orbigny, 1842)
 * Phrontis karinae (Nowell-Usticke, 1971)
 * Phrontis luteostoma (Broderip & G. B. Sowerby I, 1829)
 * Phrontis nassiformis (Lesson, 1842)
 * Phrontis pagoda ( Reeve, 1844)
 * Phrontis polygonata (Lamarck, 1822)
 * Phrontis tiarula (Kiener, 1841)
 * Phrontis versicolor (C. B. Adams, 1852)
 * Phrontis vibex (Say, 1822)
 * Species brought into synonymy :
 * Phrontis compacta (Angas, 1865) : synonym of Reticunassa compacta (Angas, 1865)
 * Phrontis crassus (Philippi, 1849) : synonym of Nassarius semisulcatus (Hombron & Jacquinot, 1848)
 * Phrontis nodicostata (A. Adams, 1852) : synonym of Nassarius nodicostatus (A. Adams, 1852)
 * Phrontis obockensis Jousseaume, 1888 : synonym of Nassarius deshayesianus (Issel, 1866)