Tectarius is a genus of sea snails, marine gastropod mollusks in the family Littorinidae, the winkles or periwinkles.
Species within the genus Tectarius include:
Tectarius antonii (Philippi, 1846)
Tectarius coronatus (Valenciennes, 1832)
Tectarius cumingii (Philippi, 1846)
Tectarius grandinatus (Gmelin, 1791)
Tectarius niuensis Reid & Geller, 1997
Tectarius pagodus (Linnaeus, 1758)
Tectarius rusticus (Philippi, 1846)
Tectarius spinulosus (Philippi, 1847)
Tectarius striatus (King & Broderip, 1832)
Tectarius tectumpersicum (Linnaeus, 1758)
Tectarius viviparus (Rosewater, 1982)
Species brought into synonymy
Tectarius bullatus (Martyn, 1784): syno,nym of Tectarius grandinatus (Gmelin, 1791)
Tectarius feejeensis (Reeve, 1857): synonym of Echinolittorina feejeensis (Reeve, 1857)
Tectarius granosus (Philippi, 1845): synonym of Echinolittorina granosa (Philippi, 1845)
Tectarius miliaris (Quoy & Gaimard, 1832): synonym of Echinolittorina miliaris (Quoy & Gaimard, 1833)
Tectarius montrouzieri P. Fischer, 1878: synonym of Perrinia angulifera (A. Adams, 1853)
Tectarius muricatus (Linnaeus, 1758): synonym of Cenchritis muricatus (Linnaeus, 1758)
Subgenus Tectarius (Echininus) represented as Echininus Clench & Abbott, 1942 (alternate representation)
