There are four extant genera in the family Patellidae: •
Cymbula H. & A. Adams, 1854 •
Helcion Montfort, 1810 •
Patella Linnaeus,
1758 •
Scutellastra H. Adams & A. Adams, 1854 There are two exclusively fossil genera: • †
Berlieria de Loriol, 1903 • †
Proscutum P. Fischer, 1885
Synonyms Synonyms include the following: •
Ansates G.B. Sowerby II [ex Klein], 1839: synonym of
Patella Linnaeus, 1758 •
Laevipatella Pallary, 1920: synonym of
Cymbula H. Adams & A. Adams, 1854 •
Patellanax Iredale, 1924: synonym of
Scutellastra H. Adams & A. Adams, 1854 (junior synonym) •
Patellidea Thiele, 1891: synonym of
Scutellastra H. Adams & A. Adams, 1854 •
Patellona Thiele, 1891: synonym of
Cymbula H. Adams & A. Adams, 1854 •
Patina Gray, 1847: synonym of
Patella Linnaeus, 1758 •
Patinastra Thiele, 1891: synonym of
Helcion Montfort, 1810 •
Penepatella Iredale, 1929: synonym of
Scutellastra H. Adams & A. Adams, 1854 (junior synonym) ==Human uses==