Subgenus (Diodora) J. E. Gray, 1821
(5-4-1-2-1-1-1-2-2-0-0-0-0)

aguayoi I. P. Farfante, 1943
(5-4-1-2-1-1-1-2-2-1-0-0-0)
Ref. Abbott, 1974 p 24 bw
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5413 bw

alta (C. B. Adams, 1852)
(5-4-1-2-1-1-1-2-2-2-0-0-0)
Ref. Abbott, 1974 p 25
Kaicher, 1988 #5367/5383 bw
Keen, 1971 p 313 bw

alternata T. Say, 1822
(5-4-1-2-1-1-1-2-2-3-0-0-0)
[=Diodora (Diodora) cayenensis (J. B. P. A. de Lamarck, 1822)]
Ref. Abbott, 1974 p 23
Abbott & Dance, 1982 p 25

apertura G. Montagu
(5-4-1-2-1-1-1-2-2-4-0-0-0)
[=Diodora (Diodora) graeca (C. v. Linne, 1758)]
Ref. Abbott & Dance, 1982 p 25

arcuata G. B. Sowerby, 1862
(5-4-1-2-1-1-1-2-2-5-0-0-0)
Arcuate Keyhole Limpet
Ref. Abbott, 1974 p 24
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5424 bw

arnoldi J. H. McLean, 1966
(5-4-1-2-1-1-1-2-2-6-0-0-0)
Neat-rib Keyhole Limpet, Neat-ribbed Keyhole Limpet
Ref. Amer. Fish. Soc., 1988 p 52
Syn. Diodora (Diodora) densiclathrata authors, not L. A. Reeve
Ref. Abbott, 1974 p 25 bw

aspera (J. Rathke, in J. F. Eschscholtz, 1833)
(5-4-1-2-1-1-1-2-2-7-0-0-0)
Rough Keyhole Limpet
Ref. Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5375 bw
Lindner, 1977 pl 2 c
Syn. Diodora (Diodora) murina R. Arnold, 1903
Ref. Abbott, 1974 p 25 bw
Abbott & Dance, 1982 p 25 c

australis C. F. F. Krauss
(5-4-1-2-1-1-1-2-2-8-0-0-0)
[=Diodora (Diodora) ruepellii (G. B. Sowerby, 1834)]
Ref. Abbott & Dance, 1982 p 26

bermudensis (W. H. Dall & P. Bartsch, 1911)
(5-4-1-2-1-1-1-2-2-9-0-0-0)
Bermuda Keyhole Limpet
Ref. Abbott, 1974 p 24
Amer. Fish. Soc., 1988 p 52

bicolor H. A. Pilsbry, 1891
(5-4-1-2-1-1-1-2-2-10-0-0-0)
[=Diodora (Diodora) viridula (J. B. P. A. de Lamarck, 1822)]
Ref. Abbott, 1974 p 24

?bombayana (G. B. Sowerby)
(5-4-1-2-1-1-1-2-2-11-0-0-0)
Ref. Kaicher, 1988 #5456 bw

calyculata (G. B. Sowerby, 1823)
(5-4-1-2-1-1-1-2-2-12-0-0-0)
Cup Keyhole Limpet
Ref. Abbott & Dance, 1982 p 26 c
Kaicher, 1988 bw

calzculata (G. B. Sowerby, 1835)
(5-4-1-2-1-1-1-2-2-13-0-0-0)
Ref. Lindner, 1977 pl 2 c

? candida (G. B. Sowerby)
(5-4-1-2-1-1-1-2-2-14-0-0-0)
Ref. Kaicher, 1988 #5410/5453 bw

cayenensis (J. B. P. A. de Lamarck, 1822)
(5-4-1-2-1-1-1-2-2-15-0-0-0)
Cayenne Keyhole Limpet
Ref. Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5373 bw
Syn. Diodora (Diodora) alternata T. Say, 1822;
Diodora (Diodora) fumata L. A. Reeve, 1850;
Diodora (Diodora) larva L. A. Reeve, 1850;
Diodora (Diodora) viminea L. A. Reeve, 1850
Ref. Abbott, 1974 p 23 bw
Syn. Diodora (Diodora) alternata T. Say, 1822
Ref. Abbott & Dance, 1982 p 25 c

constantiae G. P. Kanakoff, 1953
(5-4-1-2-1-1-1-2-2-16-0-0-0)
[=Diodora (Diodora) digueti (J. Mabille, 1895)]
Ref. Keen, 1971 p 315

crenifera (G. B. Sowerby, 1835)
(5-4-1-2-1-1-1-2-2-17-0-0-0)
[considered a Lucapinella by A. M. Keen, 1971]
Ref. Abbott, 1974 p 25

? cruciata (A. A. Gould)
( 5-4-1-2-1-1-1-2-2-18-0-0-0)
Ref. Kaicher, 1988 #5460 bw

? cyathulum (L. A. Reeve)
(5-4-1-2-1-1-1-2-2-19-0-0-0)
Ref. Kaicher, 1988 #5469 bw

delicata I. P. Farfante & Henriquez, 1946, not E. A. Smith, 1889
(5-4-1-2-1-1-1-2-2-20-0-0-0)
[=Diodora (Diodora) fragilis I. P. Farfante & Henriquez, 1947]
Ref. Abbott, 1974 p 24

densiclathrata aucthors, not L. A. Reeve
(5-4-1-2-1-1-1-2-2-21-0-0-0)
[=Diodora (Diodora) arnoldi J. H. McLean, 1966]
Ref. Abbott, 1974 p 25

digueti (J. Mabille, 1895)
(5-4-1-2-1-1-1-2-2-22-0-0-0)
Ref. Kaicher, 1988 #5438 bw
Syn. Diodora (Diodora) constantiae G. P. Kanakoff, 1953
Ref. Keen, 1971 p 315 bw

dysoni (L. A. Reeve, 1850)
(5-4-1-2-1-1-1-2-2-23-0-0-0)
Dyson's Keyhole Limpet
Ref. Abbott & Dance, 1982 p 25 c
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5427 bw
Syn. Diodora (Diodora) microsticta W. H. Dall, 1927
Ref. Abbott, 1974 p 24 bw

elevata (R. W. Dunker)
(5-4-1-2-1-1-1-2-2-24-0-0-0)
Ref. Kaicher, 1988 #5376 bw
[=Diodora (Diodora) ruepellii (G. B. Sowerby, 1834)]
Ref. Abbott & Dance, 1982 p 26

elizabethae (E. A. Smith, 1901)
(5-4-1-2-1-1-1-2-2-25-0-0-0)
Elizabeth's Keyhole Limpet
Ref. Abbott & Dance, 1982 p 26 c
Kaicher, 1988 #5420 bw

elongata C. B. Adams, 1845
(5-4-1-2-1-1-1-2-2-26-0-0-0)
[=Diodora (Diodora) minuta (J. B. P. A. de Lamarck, 1822)]
Ref. Abbott, 1974 p 24

? fargoi A. A. Olsson & T. L. McGinty
(5-4-1-2-1-1-1-2-2-27-0-0-0)
Ref. Kaicher, 1988 #5377 bw

fluviana W. H. Dall, 1889
(5-4-1-2-1-1-1-2-2-28-0-0-0)
Gulf Stream Keyhole Limpet
Ref. Abbott, 1974 p 24
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5385 bw

fontainiana (A. Orbigny, 1841)
(5-4-1-2-1-1-1-2-2-29-0-0-0)
Syn. Fissurella (Fissurella) aspera G. B. Sowerby, 1835, not J. Rathke, 1833;
Fissuridea asperior W. H. Dall, 1919
Ref. Keen, 1971 p 314 bw
[see under Subfamily: FISSURELLINAE]

fragilis I. P. Farfante & Henriquez, 1947
(5-4-1-2-1-1-1-2-2-30-0-0-0)
Syn. Diodora (Diodora) delicata I. P. Farfante & Henriquez, 1946, not E. A. Smith, 1889
Ref. Abbott, 1974 p 24

fumata L. A. Reeve, 1850
(5-4-1-2-1-1-1-2-2-31-0-0-0)
[=Diodora (Diodora) cayenensis (J. B. P. A. de Lamarck, 1822)]
Ref. Abbott, 1974 p 23

? funiculata (L. A. Reeve)
(5-4-1-2-1-1-1-2-2-32-0-0-0)
Ref. Kaicher, 1988 #5378 bw

fusilla S. S. Berry, 1959
(5-4-1-2-1-1-1-2-2-33-0-0-0)
Ref. Abbott, 1974 p 25

? galeata (Helbling)
(5-4-1-2-1-1-1-2-2-34-0-0-0)
Ref. Kaicher, 1988 #5467 bw

gemmulata L. A. Reeve, 1850
(5-4-1-2-1-1-1-2-2-35-0-0-0)
[=Diodora (Diodora) minuta (J. B. P. A. de Lamarck, 1822)]
Ref. Abbott, 1974 p 24

gibberula (J. B. P. A. de Lamarck, 1822)
(5-4-1-2-1-1-1-2-2-36-0-0-0)
Ref. Lindner, 1977 pl 2 c

graeca (C. v. Linne, 1758) [T]
(5-4-1-2-1-1-1-2-2-37-0-0-0)
Greek Keyhole Limpet
Ref. Abbott, 1974 p 23
Kaicher, 1988 #5368 bw
Syn. Diodora (Diodora) apertura G. Montagu
Ref. Abbott & Dance, 1982 p 25 c

granifera (W. H. Pease, 1861)
(5-4-1-2-1-1-1-2-2-38-0-0-0)
Ref. Keen, 1971 p 315

habanensis Christiaens, 1975
(5-4-1-2-1-1-1-2-2-39-0-0-0)
Ref. Amer. Fish. Soc., 1988 p 52

harrassowitzi H. v. Ihering, 1927
(5-4-1-2-1-1-1-2-2-40-0-0-0)
Ref. Abbott, 1974 p 24
Kaicher, 1988 #5449 bw

? imbricata (G. B. Sowerby)
(5-4-1-2-1-1-1-2-2-41-0-0-0)
Ref. Kaicher, 1988 #5392 bw

inaequalis (G. B. Sowerby, 1835)
(5-4-1-2-1-1-1-2-2-42-0-0-0)
Unequal Keyhole Limpet
Ref. Abbott & Dance, 1982 p 26 c
Kaicher, 1988 #5390 bw
Syn. Fissurella (Fissurella) pluridentata J. Mabille, 1895;
Rimula mazatlanica P. P. Carpenter, 1857;
Rimula pluridenta J. Mabille, 1895
Ref. Abbott, 1974 p 25
[see under Subfamilies: EMARGINULINAE & FISSURELLINAE]

italica (M. J. L. Defrance, 1820)
(5-4-1-2-1-1-1-2-2-43-0-0-0)
Ref. Lindner, 1977 pl 2 c

jaumei C. G. Aguayo & H. A. Rehder, 1936
(5-4-1-2-1-1-1-2-2-44-0-0-0)
Jaume's Keyhole Limpet
Ref. Abbott, 1974 p 24 bw
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5397 bw

jukesii (L. A. Reeve, 1849)
(5-4-1-2-1-1-1-2-2-45-0-0-0)
Jukes's Keyhole Limpet
Ref. Abbott & Dance, 1982 p 26 c
Kaicher, 1988 #5395 bw

larva L. A. Reeve, 1850
(5-4-1-2-1-1-1-2-2-46-0-0-0)
[=Diodora (Diodora) cayenensis (J. B. P. A. de Lamarck, 1822)]
Ref. Abbott, 1974 p 23

? lincolnensis B. C. Cotton
(5-4-1-2-1-1-1-2-2-47-0-0-0)
Ref. Kaicher, 1988 #5401 bw

listeri (A. Orbigny, 1842)+ [(1853)]
(5-4-1-2-1-1-1-2-2-48-0-0-0)
Lister's Keyhole Limpet
Ref. Abbott, 1974 p 23 bw
Abbott & Dance, 1982 p 25 c
Kaicher, 1988 #5403 bw
Lindner, 1977 pl 2 c

meta (H. v. Ihering, 1927)
(5-4-1-2-1-1-1-2-2-49-0-0-0)
Meta Keyhole Limpet
Ref. Abbott, 1974 p 24 bw
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5459 bw

metcalfii L. A. Reeve, 1850
(5-4-1-2-1-1-1-2-2-50-0-0-0)
[=Diodora (Diodora) patagonica A. Orbigny, 1847]
Ref. Abbott, 1974 p 24

microsticta W. H. Dall, 1927
(5-4-1-2-1-1-1-2-2-51-0-0-0)
[=Diodora (Diodora) dysoni (L. A. Reeve, 1850)]
Ref. Abbott, 1974 p 24

minuta (J. B. P. A. de Lamarck, 1822, not J. F. Gmelin)
(5-4-1-2-1-1-1-2-2-52-0-0-0)
Dwarf Keyhole Limpet
Ref. Abbott & Dance, 1982 p 25 c
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5384 bw
Syn. Diodora (Diodora) elongata C. B. Adams, 1845;
Diodora (Diodora) gemmulata L. A. Reeve, 1850;
Diodora (Diodora) variegata G. B. Sowerby, 1862
Ref. Abbott, 1974 p 24 bw

murina R. Arnold, 1903
(5-4-1-2-1-1-1-2-2-53-0-0-0)
[=Diodora (Diodora) aspera (J. Rathke, in J. F. Eschscholtz, 1833)]
Ref. Abbott, 1974 p 25
Abbott & Dance, 1982 p 25

panamensis (G. B. Sowerby, 1835)
(5-4-1-2-1-1-1-2-2-54-0-0-0)
Ref. Abbott, 1974 p 25
Keen, 1971 p 315 bw

patagonica A. Orbigny, 1847
(5-4-1-2-1-1-1-2-2-55-0-0-0)
Patagonian Keyhole Limpet
Ref. Abbott & Dance, 1982 p 26 c
Kaicher, 1988 #5441 bw
Syn. Diodora (Diodora) metcalfii L. A. Reeve, 1850
Ref. Abbott, 1974 p 24

pica (G. B. Sowerby, 1835)
(5-4-1-2-1-1-1-2-2-56-0-0-0)
Ref. Keen, 1971 p 315 bw

punctifissa J. H. McLean, 1970
(5-4-1-2-1-1-1-2-2-57-0-0-0)
Ref. Keen, 1971 p 315 bw

pusilla S. S. Berry, 1959
(5-4-1-2-1-1-1-2-2-58-0-0-0)
Ref. Keen, 1971 p 316 bw

? quadriradiata (L. A. Reeve)
(5-4-1-2-1-1-1-2-2-59-0-0-0)
Ref. Kaicher, 1988 #5448 bw

ruppellii [ruepellii] (G. B. Sowerby, 1834)
(5-4-1-2-1-1-1-2-2-60-0-0-0)
Ruppel's Keyhole Limpet
Ref. Kaicher, 1988 #5440 bw
Syn. Diodora (Diodora) australis C. F. F. Krauss;
Diodora (Diodora) elevata R. W. Dunker
Ref. Abbott & Dance, 1982 p 26 c

saturnalis (P. P. Carpenter, 1864)
(5-4-1-2-1-1-1-2-2-61-0-0-0)
Ref. Abbott, 1974 p 25
Kaicher, 1988 #5374 bw
Keen, 1971 p 316 bw

sayi (W. H. Dall, 1899)
(5-4-1-2-1-1-1-2-2-62-0-0-0)
Say's Keyhole Limpet
Ref. Abbott, 1974 p 24 bw
Abbott & Dance, 1982 p 25 c
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5418 bw

? sieboldi (L. A. Reeve)
(5-4-1-2-1-1-1-2-2-63-0-0-0)
Ref. Kaicher, 1988 #5391 bw

? singaporensis (L. A. Reeve)
(5-4-1-2-1-1-1-2-2-64-0-0-0)
Ref. Kaicher, 1988 #5466 bw

tanneri A. E. Verrill, 1883
(5-4-1-2-1-1-1-2-2-65-0-0-0)
Tanner's Keyhole Limpet
Ref. Abbott, 1974 p 24 bw
Abbott & Dance, 1982 p 26 c
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5398 bw

? ticaonica (L. A. Reeve)
(5-4-1-2-1-1-1-2-2-66-0-0-0)
Ref. Kaicher, 1988 #5406 bw

? townsendi J. Melvill
(5-4-1-2-1-1-1-2-2-67-0-0-0)
Ref. Kaicher, 1988 #5408 bw

variegata G. B. Sowerby, 1862
(5-4-1-2-1-1-1-2-2-68-0-0-0)
Variegate Keyhole Limpet
Ref. Amer. Fish. Soc., 1988 p 52
[=Diodora (Diodora) minuta (J. B. P. A. de Lamarck, 1822)]
Ref. Abbott, 1974 p 24

viminea L. A. Reeve, 1850
(5-4-1-2-1-1-1-2-2-69-0-0-0)
[=Diodora (Diodora) cayenensis (J. B. P. A. de Lamarck, 1822)]
Ref. Abbott, 1974 p 23

viridula (J. B. P. A. de Lamarck, 1822)
(5-4-1-2-1-1-1-2-2-70-0-0-0)
Green Keyhole Limpet
Ref. Abbott & Dance, 1982 p 26 c
Amer. Fish. Soc., 1988 p 52
Kaicher, 1988 #5396 bw
Syn. Diodora (Diodora) bicolor H. A. Pilsbry, 1891
Ref. Abbott, 1974 p 24 bw

wetmorei I. P. Farfante, 1945
(5-4-1-2-1-1-1-2-2-71-0-0-0)
Ref. Abbott, 1974 p 24
Amer. Fish. Soc., 1988 p 53
Kaicher, 1988 #5452 bw