Diodora
Encyclopedia
Diodora is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of small to medium-sized keyhole limpet
Keyhole limpet
Fissurellidae, common name the keyhole limpets and slit limpets, is a taxonomic family of limpet-like sea snails, marine gastropod molluscs in the clade Vetigastropoda.Fissurellidae is the only family in the superfamily Fissurelloidea....

 in the family Fissurellidae.

Life habits

Like all other fissurellids, Diodora species are herbivores, and use the radula to scrape algae from rocks.
An exception is D. apertura, which grazes on sponges such as Hymeniacidon
Hymeniacidon
Hymeniacidon is a genus of sponges in the class Demospongiae. Some members of the genus are known to be mobile, achieving speeds of between 1 and 4mm per day.-Species:Species so far described in this genus include:...

.

Water for respiration and excretion is drawn in under the edge of the shell and exits through the "keyhole" at or near the apex.

Species

Species in this genus include:
  • Diodora aguayoi
    Diodora aguayoi
    Diodora aguayoi is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    Pérez Farfante, 1943
  • Diodora arcuata
    Diodora arcuata
    Diodora arcuata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Sowerby II, 1862)
  • Diodora aspera
    Diodora aspera
    Diodora aspera, common name the rough keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.-Distribution:...

    (Rathke, 1833)
  • Diodora bermudensis
    Diodora bermudensis
    Diodora bermudensis is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Dall & Bartsch, 1911)
  • Diodora cayenensis (Lamarck, 1822)
  • Diodora crucifera
    Diodora crucifera
    Diodora crucifera is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    Pilsbry, 1890
  • Diodora dysoni
    Diodora dysoni
    Diodora dysoni is a species of small sea snail or limpet, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Reeve, 1850)
  • Diodora fargoi Olsson & McGinty, 1958
  • Diodora fluviana
    Diodora fluviana
    Diodora fluviana is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Dall, 1889)
  • Diodora fragilis
    Diodora fragilis
    Diodora fragilis is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    Pérez Farfante & Henríquez, 1947
  • Diodora gibberula
    Diodora gibberula
    Diodora gibberula is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Lamarck, 1822)
  • Diodora graeca
    Diodora graeca
    Diodora graeca , is a sea snail or limpet, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.It was originally described by Linnaeus in 1758 as Patella graeca .-Distribution:...

    (Linnaeus, 1758)
  • Diodora harrassowitzi (Ihering, 1927)
  • Diodora italica
    Diodora italica
    Diodora italica, is a sea snail or limpet, a marine prosobranch gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Defrance, 1820)
  • Diodora jaumei
    Diodora jaumei
    Diodora jaumei is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    Aguayo & Rehder, 1936
  • Diodora listeri
    Diodora listeri
    Diodora listeri is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (d'Orbigny, 1847)
  • Diodora meta
    Diodora meta
    Diodora meta is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Ihering, 1927)
  • Diodora minuta
    Diodora minuta
    Diodora minuta is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Lamarck, 1822)
  • Diodora mirifica Métivier, 1972
  • Diodora patagonica (d'Orbigny, 1839)
  • Diodora philippiana
    Diodora philippiana
    Diodora philippiana is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.-Distribution:...

    (Dunker, 1846)
  • Diodora quadriradiata
    Diodora quadriradiata
    Diodora quadriradiata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Reeve, 1850)
  • Diodora ruepellii
    Diodora ruepellii
    Diodora ruepellii, common name the Rüppell's keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (G.B. Sowerby I, 1835)
  • Diodora sarasuae
    Diodora sarasuae
    Diodora sarasuae is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    Espinosa, 1984
  • Diodora sayi
    Diodora sayi
    Diodora sayi is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Dall, 1889)
  • Diodora singaporensis
    Diodora singaporensis
    Diodora singaporensis is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.-External links:*...

    (Reeve, 1850)
  • Diodora tanneri
    Diodora tanneri
    Diodora tanneri is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (A. E. Verrill, 1882)
  • Diodora variegata
    Diodora variegata
    Diodora variegata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Sowerby II, 1862)
  • Diodora vetula (Woodring, 1928)
  • Diodora viridula
    Diodora viridula
    Diodora viridula is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Lamarck, 1822)
  • Diodora wetmorei
    Diodora wetmorei
    Diodora wetmorei is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    Pérez Farfante, 1945


Synonyms:
  • Diodora philippiana (Finlay, 1930) is a synonym for Lucapina philippiana
    Lucapina philippiana
    Lucapina philippiana is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Finlay, 1930)
  • Diodora noachina (Linnaeus, 1771) is a synonym for Puncturella noachina
    Puncturella noachina
    Puncturella noachina, common name the diluvian puncturella, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.-References:...

    (Linnaeus, 1771)


The World Register of Marine Species
World Register of Marine Species
The World Register of Marine Species is a database that hopes to provide an authoritative and comprehensive list of names of marine organisms. The content of the registry is edited and maintained by scientific specialists on each group of organism. These taxonomists control the quality of the...

 (WoRMS) also includes the following accepted names :
  • Diodora canariensis
    Diodora canariensis
    Diodora canariensis is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    Verstraeten & Naef, 2007
  • Diodora candida
    Diodora candida
    Diodora candida is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Sowerby, 1835)
  • Diodora demartiniorum
    Diodora demartiniorum
    Diodora demartiniorum is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    Buzzurro & Russo, 2004
  • Diodora dorsata
    Diodora dorsata
    Diodora dorsata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Monterosato, 1878)
  • Diodora edwardsi
    Diodora edwardsi
    Diodora edwardsi is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Dautzenberg & H. Fischer, 1896)
  • Diodora funiculata
    Diodora funiculata
    Diodora funiculata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Reeve, 1850)
  • Diodora lima
    Diodora lima
    Diodora lima is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (G.B. Sowerby II, 1862)
  • Diodora menkeana
    Diodora menkeana
    Diodora menkeana is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Dunker, 1846)
  • Diodora natalensis
    Diodora natalensis
    Diodora natalensis is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Krauss, 1848)
  • Diodora parviforata
    Diodora parviforata
    Diodora parviforata, common name the conical keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (G.B. Sowerby III, 1889)
  • Diodora producta
    Diodora producta
    Diodora producta is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (Monterosato, 1880)
  • Diodora spreta
    Diodora spreta
    Diodora spreta is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets....

    (E.A. Smith, 1901)


Further species include
  • Diodora alta (C. B Adams, 1852)
  • Diodora alternata Say, 1822
  • Diodora arnoldi J. H. McLean, 1966
  • Diodora australis Krauss
  • Diodora beebei (Hertlein and Strong, 1951)
  • Diodora bombayana Sowerby, 1862
  • Diodora calyculata (Sowerby, 1823)
  • Diodora carditella Dall
  • Diodora crenifera (Sowerby, 1835)
  • Diodora densiclathrata McLean, 1966
  • Diodora diqueti (Mabille, 1895)
  • Diodora elaborata Sowerby
  • Diodora elizabethae (E. A Smith, 1901)
  • Diodora fontainiana (d'Orbigny, 1841)
  • Diodora fusilla S. S. Berry, 1959 (or Diodora pusilla Berry, 1959 ?)
  • Diodora galeata (Helbling, 1779)
  • Diodora habanensis Christiaens, 1975
  • Diodora inaequalis (Sowerby, 1835)
  • Diodora jukesii (Reeve, 1849)
  • Diodora lincolnensis (Cotton, 1930)
  • Diodora lineata Sowerby, 1835
  • Diodora murina Arnold, 1903
  • Diodora mus (Reeve, 1850)
  • Diodora nucula (Dall)
  • Diodora octagona (Reeve, 1850)
  • Diodora panamensis (Sowerby, 1835)
  • Diodora saturnalis (Carpenter, 1864)
  • Diodora sieboldi Reeve
  • Diodora tenebrosa Conrad
  • Diodora vola Reeve
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