Species under Diodora
n= 47
Species name Common name Distribution Max. Length (cm)
Diodora aguayoi
Perez Farfante, 1943
Western Atlantic 1.7
Diodora alta
(Adams, 1852)
Southeast Pacific
Diodora arcuata
(Sowerby II, 1862)
Arcuate keyhole limpet Western Atlantic 1.2
Diodora arnoldi
McLean, 1966
Neat-rib keyhole limpet East Pacific
Diodora aspera
(Rathke, 1833)
Keyhole limpet Eastern Pacific and the Arctic 7.5
Diodora bermudensis
(Dall & Bartsch, 1911)
Bermuda keyhole limpet Western Atlantic Ocean 0.5
Diodora bollonsi
(Oliver, 1915)
Southwest Pacific
Diodora cayenensis
(Lamarck, 1822)
Cayenne keyhole limpet Atlantic Ocean 5.1
Diodora clathrata
(Reeve, 1849)
Western Central Pacific 4
Diodora cruciata
Gould, 1848
Western Central Pacific
Diodora demartiniorum
Buzzurro & Russo, 2004
Mediterranean Sea
Diodora dorsata
(Monterosato, 1878)
Mediterranean Sea
Diodora dysoni
(Reeve, 1850)
Dyson's keyhole limpet Western Atlantic 2.2
Diodora fargoi
Olsson & McGinty, 1958
Western Atlantic 0.86
Diodora fluviana
(Dall, 1889)
Gulf Stream keyhole limpet Western Atlantic 1.2
Diodora foveolata
(Garrett, 1872)
Eastern Central Pacific
Diodora fragilis
Farfante & Henriquez, 1947
Western Central Atlantic 2
Diodora funiculata
(Reeve, 1850)
Western Indian Ocean
Diodora galeata
(Helbling, 1779)
Western Central Pacific
Diodora gibberula
(Lamarck, 1822)
Mediterranean Sea
Diodora graeca
(Linnaeus, 1758)
Common keyhole limpet Mediterranean and Black Sea
Diodora granifera
(Pease, 1861)
Eastern Pacific 0.886
Diodora inaequalis
(Sowerby, 1835)
Southeast Pacific
Diodora italica
(Defrance, 1820)
Italian keyhole limpet Mediterranean Sea
Diodora jaumei
Aguayo & Rehder, 1936
Jaume's keyhole limpet Western Atlantic 2.2
Diodora listeri
(d'Orbigny, 1842)
Lister's keyhole limpet Western Atlantic 4.5
Diodora meta
(von Ihering, 1927)
Meta keyhole limpet Western Atlantic 1.6
Diodora minuta
(Lamarck, 1822)
Dwarf keyhole limpet Western Central Atlantic 1.6
Diodora mirifica
M├ętivier, 1972
Western Atlantic 0.8
Diodora mus
(Reeve, 1850)
Mouse keyhole limpet Western Pacific
Diodora octagona
(Reeve, 1850)
Indo-Pacific
Diodora patagonica
d'Orbigny, 1847
Western Atlantic and Eastern Pacific 3.8
Diodora producta
(Monterosato, 1880)
Mediterranean Sea
Diodora quadriradiata
(Reeve, 1850)
Radially-ribbed keyhole limpet Indo-West Pacific
Diodora reevei
(Schepman, 1908)
Western Central Pacific
Diodora ruppellii
(Sowerby, 1835)
Ruppell's keyhole limpet Indo-Pacific
Diodora sarasuae
Espinosa, 1984
Western Atlantic 1.09
Diodora saturnalis
(Carpenter, 1864)
Southeast Pacific
Diodora sayi
(Dall, 1889)
Say's keyhole limpet Western Atlantic 3
Diodora sieboldi
(Reeve, 1850)
Western Central Pacific
Diodora singaporensis
(Reeve, 1850)
Indo-West Pacific
Diodora tanneri
(Verrill, 1882)
Western Atlantic 5.8
Diodora ticaonica
(Reeve, 1850)
Western Central Pacific
Diodora variegata
Sowerby II, 1862
Variegate keyhole limpet Western Central Atlantic 1.5
Diodora vetula
(Woodring, 1928)
Western Atlantic 0.3
Diodora viridula
(Lamarck, 1822)
Green keyhole limpet Western Central Atlantic 3.2
Diodora wetmorei
Perez Farfante, 1945
Western Atlantic 2.4
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