Pneumodermatidae

Pneumodermatidae
Scientific classification
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Subclass Orthogastropoda
Superorder Heterobranchia
Order Opisthobranchia
Suborder Gymnosomata
Family Pneumodermatidae
Genera
Pneumoderma
Pneumodermopsis
Schizobrachium
Spongiobranchaea
Abranchaea
Platybrachium

The small pelagic snails of the family Pneumodermatidae (Latreille, 1825) lack a shell (except in their early embryonic stage). They are carnivores, equipped with swimming parapoda (fleshy, winglike outgrowths), strong jaws and grasping tentacles, often with suckers resembling those of cephalopods.

A more comprehensive discussion can be found under the entry Sea angel.

Genus: Pneumoderma de Roissy, 1805

  • Pneumoderma atlanticum Oken, 1815
  • Pneumoderma degraaffi van der Spoel & Pafort-van Iersel, 1982
    • Distribution: Sargasso Sea, Oceanic
    • Length : 11.8 mm
  • Pneumoderma mediterraneum van Beneden, 1838
    • Distribution : Florida, Brazil, Mediterranean, Oceanic
    • Length : 20 mm
  • Pneumoderma peronii Lamarck, 1819
    • Distribution : Red Sea
  • Pneumoderma violaceum d'Orbigny, 1836
    • Distribution : Bermuda, Oceanic
    • Length: 25 mm
    • Description : This pteropod grabs its prey with two powerful suckers, each with about 30 suctorial disks. Then it bulges out its long proboscis.
    • Subspecies :
      • Pneumoderma violaceum pacificum (Dall, 1871
      • Pneumoderma violaceum violaceum d’Orbigny, 1836

Genus: Pneumodermopsis Keferstein, 1862
  • Pneumodermopsis canephora Pruvot-Fol, 1924
  • Pneumodermopsis ciliata (Gegenbaur, 1855)
    • Distribution : circumglobal, Oceanic
    • Description : possesses five tentacles, each ending in a big suctorial disk.
  • Pneumodermopsis macrochira Meisenheimer, 1905
    • Distribution : Oceanic
  • Pneumodermopsis michaelsarsi Bonnevie, 1913
    • Distribution : Bermuda, Oceanic
  • Pneumodermopsis oligocotyla Massy, 1917
  • Pneumodermopsis paucidens (Boas, 1886)
    • Distribution: Brazil, Oceanic
    • Length : 5 mm
  • Pneumodermopsis pupula Pruvot-Fol, 1926
  • Pneumodermopsis spoeli Newman & greenwood, 1988
    • Distriburion : Australia
  • Pneumodermopsis teschi van der Spoel, 1973
    • Distribution : Oceanic

Genus Schizobrachium Meisenheimer, 1903
  • Schizobrachium polycotylum Meisenheimer, 1903
    • Distribution: Oceanic

Genus Spongiobranchaea d'Orbigny, 1836
  • Spongiobranchaea australis d'Orbigny, 1836
    • Distribution: Argentina, Australia, Subantarctic, Antarctic, Oceanic
    • Length : 22 mm
  • Spongiobranchaea intermedia Pruvot-Fol, 1926
    • Distribution : Oceanic

Genus Abranchaea Zhan Fu-Sui, 1975
  • Abranchaea chinensis Zhan Fu-Sui, 1975

Genus Platybrachium Minichev, 1976





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