Pneumodermatidae

The Pneumodermatidae are a family of sea angels, or small floating predatory sea snails or sea slugs. They are pelagic marine heterobranch opisthobranch gastropod mollusks in the clade Gymnosomata.

Pneumodermatidae
Drawing of a larva of a species in the genus Pneumoderma
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Clade: Euopisthobranchia
Superfamily: Clionoidea
Family: Pneumodermatidae
(Latreille, 1825)
Genera

These small pelagic snails lack shells (except in their early embryonic stage). They are carnivores, equipped with swimming parapoda (fleshy, wing-like outgrowths), strong jaws, and grasping tentacles, often with suckers resembling those of cephalopods.[1]

Genera

Genera within the family Pneumodermatidae include:

Genus: Pneumoderma de Roissy, 1805

  • Pneumoderma atlanticum Oken, 1815
  • Pneumoderma degraaffi van der Spoel & Pafort-van Iersel, 1982 – distribution: Sargasso Sea, length: 11.8 mm
  • Pneumoderma mediterraneum van Beneden, 1838 – distribution: Florida, Brazil, Mediterranean, 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.
      • 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 – Distribution: Australia.
  • Pneumodermopsis teschi van der Spoel, 1973 – distribution: oceanic

Genus Schizobrachium Meisenheimer, 1903

  • Schizobrachium polycotylum Meisenheimer, 1903 – distribution: oceanic

Genus Spongiobranchaea d'Orbigny, 1836

Genus Abranchaea Zhan Fu-Sui, 1975

  • Abranchaea chinensis Zhan Fu-Sui, 1975

Genus Platybrachium Minichev, 1976

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References

  1. "Marine Species Identification Portal : Family Pneumodermatidae". species-identification.org. Retrieved 2020-03-24.
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