Biology:Titiscania

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Titiscania is a genus of slug-like sea snails, shell-less marine gastropod mollusks in the superfamily Neritopsoidea.[1][2]

Titiscania is the type genus[1] and also the only genus in the family Titiscaniidae.

The original vernacular spelling "Die Titiscanien" by Rudolph Bergh (1890)[3] was Latinized by Johannes Thiele in 1891.[1]

Excepting some parasitic forms, Titiscania is the only genus of gastropod outside of the Heterobranchia to have secondarily lost its mineralized shell,[4] which it sheds after its larval phase.[5]

When disturbed a bluish white, thread-like substance is discharged through defensive glands in the form of about 12 densely placed white papillae on both sides of the back.[6]

Species

Species within the genus Titiscania include:

  • Titiscania limacina Bergh, 1890[7]
  • Titiscania shinkishihataii Taki, 1955[8]

References

  1. ↑ 1.0 1.1 1.2 Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel; Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia (Hackenheim, Germany: ConchBooks) 47 (1-2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997. 
  2. ↑ Bouchet, P. (2015). Titiscania. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225430 on 2016-01-20
  3. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Bergh 1890
  4. ↑ Dayrat B.; Tillier S. (2003). "Goals and limits of phylogenetics. The euthyneuran gastropods". Molecular systematics and phylogeography of mollusks. Washington, DC: Smithsonian Books. 
  5. ↑ Kano Y., Chiba S. & Kase T. (2002). "Major adaptive radiation in neritopsine gastropods estimated from 28S rRNA sequences and fossil records". Proceedings of the Royal Society B: Biological Sciences 269: 2457. doi:10.1098/rspb.2002.2178.
  6. ↑ First Record of Titiscania limacina Bergh, 1890 (Mollusca: Gastropoda) from India
  7. ↑ Bouchet, P. (2010). Titiscania limacina Bergh, 1890. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532065 on 2011-03-26
  8. ↑ Bouchet, P. (2010). Titiscania shinkishihataii Taki, 1955. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532066 on 2011-03-26

Wikidata ☰ Q18519168 entry



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