Sea angels (clade Gymnosomata) are a large group of small free-swimming sea slugs, not to be confused with Cnidarians (Jellyfish and other similar creatures), classified into six different families. They are pelagic opisthobranchs in the clade Gymnosomata within the larger mollusc clade Heterobranchia. Sea angels were previously referred to as a type of pteropod.
Sea angels are also sometimes known as "sea butterflies" but this is potentially misleading because the family Clionidae is just one of the families within this clade, and the term "sea butterfly" is also applied to the shelled Thecosomata.
Recent molecular data suggest the Gymnosomata form a sister group to the Thecosomata (other planktonic, weakly or nonmineralized gastropods), but this long-standing hypothesis has also had some recent detractors.[2] Fossils of the group go back to the Middle Frasnian stage of the Late Devonian period. [citation needed]
^"Order Gymnosomata Blainville 1824 (sea angel)". PBDB. Archived from the original on 2020-06-18. Retrieved 2020-06-10.
^Klussmann-Kolb, A.; Dinapoli, A. (2006). "Systematic position of the pelagic Thecosomata and Gymnosomata within Opisthobranchia (Mollusca, Gastropoda) - revival of the Pteropoda". Journal of Zoological Systematics and Evolutionary Research. 44 (2): 118. doi:10.1111/j.1439-0469.2006.00351.x.
Seaangels (clade Gymnosomata) are a large group of small free-swimming sea slugs, not to be confused with Cnidarians (Jellyfish and other similar creatures)...
catastrophic damage, the United States and other countries carried out Operation SeaAngel, one of the largest military relief efforts ever carried out. On April 22...
Clione limacina, known as the naked sea butterfly, seaangel, and common clione, is a seaangel (pelagic sea slug) found from the surface to greater than...
antarctica is a species of "seaangel", a sea slug, a pelagic marine gastropod mollusk in the family Clionidae, the "seaangels". The distribution of Clione...
the blue sea dragon, sea swallow, blue angel, blue glaucus, dragon slug, blue dragon, blue sea slug, and blue ocean slug) is a species of sea slug in the...
Angel at Sea (French: Un ange à la mer) is a 2009 drama film directed by Frédéric Dumont. The film follows Louis, a 12 year-old boy, who lives a happy...
Clione is a genus of small, floating sea slugs, pelagic marine gastropod mollusks in the family Clionidae, the seaangels. Clione is the type genus of the...
Navigation. It also includes the vessels of its former subsidiary, NN SeaAngels. M/V St. Michael the Archangel - The former flagship of Negros Navigation...
diverted en route to conduct humanitarian assistance in flooded Bangladesh (SeaAngel). Also called Desert Calm or Peace Walker in some documents. REMAINING...
(Hebrew merkabah) in Ezekiel 1:15–21. One of the Dead Sea scrolls (4Q405) construes them as angels.[citation needed] The Dominions (lat. dominatio, plural...
Clione elegantissima is a species of seaangel (pelagic sea slug) in the family Clionidae. There has been some debate regarding the taxonomic status of...
Gymnosomata are small pelagic gastropods known as "sea butterflies" and "seaangels". Many species of sea butterflies retain their shells. These are commonly...
shells and headshield slugs), the sacoglossans, anaspidean sea hares, pelagic seaangels, sea butterflies, and many families of the Nudibranchia. Opisthobranch...
May–June 1991. III MEF elements have also played a vital role in Operation SeaAngel in Bangladesh from May–June 1991; Operation Fiery Vigil in the Philippines...
tropical seas. Most species inhabit shallow temperate or tropical seas, but a few species inhabit deeper water, down to 1,300 m (4,300 ft). Angel sharks...
The Cliopsidae, common name seaangels, are a taxonomic family of small, free-swimming sea slugs, pelagic marine opisthobranch gastropod mollusks in the...
violaceum is a species of seaangel, a type of pteropod or sea slug. It has small wings and tentacles to catch its prey, being the sea butterfly. The species...
The Pneumodermatidae are a family of seaangels, or small floating predatory sea snails or sea slugs. They are pelagic marine heterobranch opisthobranch...
AngelList is an American software company for fundraising and connecting startups, angel investors, and limited partners. Founded in 2010, it started as...
Paraclione is a genus of "seaangels", small floating sea slugs, pelagic marine opisthobranch gastropod mollusks. They are very small and gelatinous,...
(September–October 1992). Other contingency operation after 1991 included Operation SeaAngel (Bangladesh relief) (led by Commander III Marine Expeditionary Force)...
Pteropoda encompasses the two clades Thecosomata, the sea butterflies, and Gymnosomata, the seaangels. The Thecosomata (lit. "case-body") have a shell, while...
event, Strong Angel, was chosen to recognize two critical influences in the humanitarian response sector. The first was "Operation SeaAngel" in 1991, an...
The Angels (使徒, shito, lit. 'apostles') are fictional entities from the anime television series Neon Genesis Evangelion, which was produced by Gainax studio...
with the angel or God is described in the Book of Genesis (chapter 32:22–32; also referenced in the Book of Hosea, chapter 12:3–5). The "angel" in question...
Global Information
