The Pneumodermatidae are a family of sea angels, or small floating predatory

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

s or sea slugs. They are pelagic

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

heterobranch

opisthobranch Opisthobranchs () is now an informal name for a large and diverse group of specialized complex gastropods which used to be united in the subclass Opisthobranchia. That taxon is no longer considered to represent a monophyletic grouping. Euopisth ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusks in the

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

Gymnosomata. These small pelagic snails lack shells (except in their early

embryo An embryo is an initial stage of development of a multicellular organism. In organisms that reproduce sexually, embryonic development is the part of the life cycle that begins just after fertilization of the female egg cell by the male spe ...

nic stage). They are carnivores, equipped with swimming parapoda (fleshy, wing-like outgrowths), strong jaws, and grasping tentacles, often with suckers resembling those of

cephalopod A cephalopod is any member of the molluscan class Cephalopoda (Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head ...

Genera

Genera within the family Pneumodermatidae include: Genus: ''

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

'' de Roissy, 1805 * '' Pneumoderma atlanticum'' Oken, 1815 * '' Pneumoderma degraaffi'' van der Spoel & Pafort-van Iersel, 1982 – distribution:

Sargasso Sea The Sargasso Sea () is a region of the Atlantic Ocean bounded by four currents forming an ocean gyre. Unlike all other regions called seas, it has no land boundaries. It is distinguished from other parts of the Atlantic Ocean by its charac ...

, 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 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. These small pelagic snails lack shells (excep ...

Dall Dall may refer to: People * Anders Bendssøn Dall (died 1607), Danish Lutheran bishop * Bobby Dall (born 1963), American musician * Caroline Healey Dall (1822–1912), American feminist writer *Clarrie Dall (1887–1953), Australian footballer * C ...

, 1871 *** ''

Pneumoderma violaceum violaceum 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. These small pelagic snails lack shells (excep ...

'' d'Orbigny, 1836 Genus: '' Pneumodermopsis'' Keferstein, 1862 * ''

Pneumodermopsis canephora 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. These small pelagic snails lack shells (excep ...

'' Pruvot-Fol, 1924 * ''

Pneumodermopsis ciliata 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. These small pelagic snails lack shells (excep ...

'' (Gegenbaur, 1855) – distribution: circumglobal, oceanic, description: possesses five tentacles, each ending in a big suctorial disk * ''

Pneumodermopsis macrochira 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. These small pelagic snails lack shells (except ...

'' Meisenheimer, 1905 – distribution: oceanic * ''

Pneumodermopsis michaelsarsi 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. These small pelagic snails lack shells (excep ...

'' Bonnevie, 1913 – distribution: Bermuda, oceanic * ''

Pneumodermopsis oligocotyla 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. These small pelagic snails lack shells (excep ...

'' Massy, 1917 * ''

Pneumodermopsis paucidens 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. These small pelagic snails lack shells ...

'' (Boas, 1886) – distribution: Brazil, oceanic, length: 5 mm * ''

Pneumodermopsis pupula 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. These small pelagic snails lack shells (excep ...

'' Pruvot-Fol, 1926 * ''

Pneumodermopsis spoeli Pneumodermopsis spoeli'', also Pneumodermopsis Sp'' is a species of sea angel, a type of small sea snail of sorts, primarily found in deep, cool oceans. Description The animal is approximately 2–4 cm in size. It composes of translucent ...

'' Newman & greenwood, 1988 – Distribution: Australia. * ''

Pneumodermopsis teschi 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. These small pelagic snails lack shells ...

'' 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 Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

, sub-

Antarctic The Antarctic ( or , American English also or ; commonly ) is a polar region around Earth's South Pole, opposite the Arctic region around the North Pole. The Antarctic comprises the continent of Antarctica, the Kerguelen Plateau and other ...

, Antarctica, oceanic, length: 22 mm * ''

Spongiobranchaea intermedia 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. These small pelagic snails lack shells (except ...

'' Pruvot-Fol, 1926 – distribution: oceani
image
Genus '' Abranchaea'' Zhan Fu-Sui, 1975 * ''

Abranchaea chinensis 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. These small pelagic snails lack shells (except ...

'' Zhan Fu-Sui, 1975 Genus '' Platybrachium'' Minichev, 1976

References

{{Taxonbar, from=Q3138902 Gastropod families Taxa named by Pierre André Latreille