Diloma
Encyclopedia
Diloma 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 medium-sized sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....

s, marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod mollusks in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Trochidae
Trochidae
The Trochidae, common name top snails, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda ....

, the top snails.

Distribution

This genus occurs in the Indo-Pacific
Indo-Pacific
The Indo-Pacific is a biogeographic region of the Earth's seas, comprising the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the seas connecting the two in the general area of Indonesia...

, including New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

, Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, and other areas.

Species

Species within the genus Diloma include:
  • Diloma aethiops
    Diloma aethiops
    Diloma aethiops is a species of small sea snail, a marine gastropod mollusc in the family Trochidae. This species is endemic to New Zealand...

    Gmelin
    Johann Friedrich Gmelin
    Johann Friedrich Gmelin was a German naturalist, botanist, entomologist, herpetologist and malacologist.- Education :Johann Friedrich Gmelin was born as the eldest son of Philipp Friedrich Gmelin in 1748 in Tübingen...

    , 1791
  • Diloma arida
    Diloma arida
    Diloma arida is a species of small sea snail, a marine gastropod mollusc in the family Trochidae.-References:* Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1...

    (Finlay, 1927)
  • Diloma bicanaliculata (Dunker, 1844)
    • Diloma bicanaliculata lenior
      Diloma bicanaliculata lenior
      Diloma bicanaliculata lenior is a subspecies of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.-References:...

      (Finlay, 1927)
  • Diloma constellata Souverbie, 1863
  • Diloma coracina
    Diloma coracina
    Diloma coracina is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.-References:* Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1...

    (Philippi
    Rodolfo Amando Philippi
    Rodolfo Amando Philippi was a German-Chilean paleontologist and zoologist....

    , 1851)
  • Diloma durvillaea Spencer, Marshall & Waters, 2009
  • Diloma nana Gould, 1861
  • Diloma nigerrima
    Diloma nigerrima
    Diloma nigerrima, common name the bluish top shell, is a species of small sea snail, a marine gastropod mollusk, in the family Trochidae, the top snails.-References:...

    (Gmelin
    Johann Friedrich Gmelin
    Johann Friedrich Gmelin was a German naturalist, botanist, entomologist, herpetologist and malacologist.- Education :Johann Friedrich Gmelin was born as the eldest son of Philipp Friedrich Gmelin in 1748 in Tübingen...

    , 1791)
  • Diloma piperina (Philippi
    Rodolfo Amando Philippi
    Rodolfo Amando Philippi was a German-Chilean paleontologist and zoologist....

    , 1849)
  • Diloma radula (Philippi
    Rodolfo Amando Philippi
    Rodolfo Amando Philippi was a German-Chilean paleontologist and zoologist....

    , 1849)
  • Diloma samoaensis
    Diloma samoaensis
    Diloma samoaensis is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails....

    Schwabe & Barclay, 2003
  • Diloma suavis (Philippi
    Rodolfo Amando Philippi
    Rodolfo Amando Philippi was a German-Chilean paleontologist and zoologist....

    , 1849 in 1849-50)
  • Diloma subrostrata (Gray in Yate, 1835)
    • Diloma subrostrata novaezelandiae
      Diloma subrostrata novaezelandiae
      Diloma subrostrata novaezelandiae is a subspecies of small sea snail, a marine gastropod mollusc, in the family Trochidae, the top snails.-References:...

      (Anton, 1839)
  • Diloma zelandica
    Diloma zelandica
    Diloma zelandica is a species of sea snail, a marine gastropod mollusc in the family Trochidae, the top snails or top shells. -External links:* -References:...

    (Quoy
    Jean René Constant Quoy
    Jean René Constant Quoy was a French zoologist.Along with Joseph Paul Gaimard he served as naturalist aboard La Coquille under Louis Isidore Duperrey during its circumnavigation of the globe , and the Astrolabe under the command of Jules Dumont d'Urville...

     & Gaimard
    Joseph Paul Gaimard
    Joseph Paul Gaimard was a French naval surgeon and naturalist.Along with Jean René Constant Quoy he served as naturalist on the ships L'Uranie under Louis de Freycinet 1817-1820, and L'Astrolabe under Jules Dumont d'Urville 1826-1829...

    , 1834)

Species brought into synonymy :
  • Diloma sinensis (Gmelin, 1791) accepted as Oxystele sinensis
    Oxystele sinensis
    Oxystele sinensis, common name the pink-lipped topshell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails....

    (Gmelin, 1791)
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