Physical Description

Diagnostic Description

Description

Massive domed or encrusting sponges. Microscleres spiral-shaped. Can burrow into dead coral <282>.
  • MASDEA (1997).
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:53Public Records:28
Specimens with Sequences:45Public Species:2
Specimens with Barcodes:41Public BINs:3
Species:3         
Species With Barcodes:1         
          
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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Source: Barcode of Life Data Systems (BOLD)

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Clionidae

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Wikipedia

Clionidae

The Clionidae are a family of sea angels, which are a group of pelagic marine gastropods.

They resemble angels, complete with flapping "wings", hence their common name. They are gelatinous, mostly transparent pteropods, and they only have shells in their embryonic stage. They are mostly very small, with the largest species (Clione limacina) reaching 5 cm (2 in).

External anatomy[edit source | edit]

The Clionidae use winglike flaps for rhythmical locomotion, as if flying in the sea. These "wings" are attached to the anterior part of the body. The posterior part is gelatinous and mostly transparent.

The orange visceral sac is confined to the anterior part.

Life habits[edit source | edit]

Mating is carried out ventrally for mutual fertilization. The following spring, this results in a free-floating, gelatinous egg mass.

Taxonomy[edit source | edit]

Clionidae d'Orbigny, 1851 is unfortunately also the name of a family of sponges in the order Hadromerida, class Demospongiae. Within the ICZN there has been a proposed emendation of spelling to Clionaidae for the sponge family. The ICZN has ruled the correct name of gastropod family is Clionidae Gray, 1847, with type genus Clione Pallas, 1774.[1][2]

These two subfamilies have been recognized in the taxonomy of Bouchet & Rocroi (2005):

  • subfamily Clioninae Rafinesque, 1815 - synonyms: Fowlerininae Pruvot-Fol, 1926
  • subfamily Thliptodontinae, Kwietniewski, 1902 - synonyms: Pteroceanidae Meisenheimer, 1902; Cephalobranchiinae Pruvot-Fol, 1926

Genera[edit source | edit]

Genera within the family Clionidae include:

subfamily Clioninae

subfamily Thliptodontinae

subfamily ?

References[edit source | edit]

  1. ^ International Commission on Zoological Nomenclature (30 September 2004). "Comments". Bulletin of Zoological Nomenclature 61 (3). 
  2. ^ Comment on the proposal to emend the spelling of CLIONIDAE d'Orbigny, 1851 (Porifera, Hadromerida) to CLIONAIDAE to remove homonymy with CLIONIDAE Rafinesque, 1815 (Mollusca); (Case 3211; see BZN 60: 99-102)[dead link]
  3. ^ WoRMS (2009). Fowlerina Pelseneer, 1906. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://marinespecies.org/aphia.php?p=taxdetails&id=137794 on 2010-09-
  4. ^ WoRMS (2010). Cephalobrachia. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=416184 on 2010-09-16
  5. ^ WoRMS (2010). Thliptodon Boas, 1886. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=137797 on 2010-09-16
  6. ^ WoRMS (2010). Paedoclione Danforth, 1907. Accessed through: World Register of Marine Species at http://www.marinespecies.eu/aphia.php?p=taxdetails&id=160432 on 2010-09-16
  7. ^ "Genus Paedoclione". Marine Species Identification Portal, accessed 4 February 2011.
  8. ^ WoRMS (2009). Paraclione Tesch, 1903. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=137795 on 2010-09-16
  9. ^ Gofas, S. (2009). Thalassopterus zancleus Kwietniewski, 1910. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=139183 on 2010-09-16
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