Tethydidae

Tethydidae is a family of dendronotid nudibranch gastropod mollusks in the superfamily Tritonioidea.[3]

Tethydidae
Tethys fimbria on the sand bottom shows its broad oral hood on the left (the head end) and the body with two rows of spotted cerata
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Dexiarchia
clade Cladobranchia
clade Dendronotida
Superfamily:
Tritonioidea
Family:
Tethydidae

Type genus
Tethys
Diversity[1]
2 genera

15 valid species and 3 doubtful species

Synonyms[2]
  • Melibidae Forbes, 1844
  • Fimbriidae O'Donoghue, 1926 (inv.)
  • Tethymelibidae Bergh, 1890 (n.a.)

The original spelling (subfamily) is Tethydia. It was placed on the Official List by Opinion 1182 of ICZN (1981: 174), which also ruled that the name should be corrected to Tethydidae (Bouchet & Rocroi, 2005).

Taxonomy

This family is within the clade Cladobranchia and has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).[2]

Genera

There are two[1] genera within the family Tethydidae:

Genera brought into synonymy
  • Chioraera Gould, 1852 accepted as Melibe Rang, 1829
  • Fimbria O'Donoghue, 1926: synonym of Tethys Linnaeus, 1767 (invalid: junior homonym of Fimbria Megerle, 1811.)
  • Jacunia de Filippi, 1867 accepted as Melibe Rang, 1829
  • Melibaea synonym of Melibe Rang, 1829
  • Meliboea [sic] : Melibe'' Rang, 1829 (incorrect subsequent spelling [by Forbes, 1838] of Melibe Rang, 1829)
  • Propemelibe Allan, 1932 accepted as Melibe Rang, 1829

Description

Species in this family do not possess a radula.[4]

gollark: If there's no way to detect something, it doesn't meaningfully exist.
gollark: And yes, because you can enjoy things while not dead.
gollark: It's not unhealable. As far as I know, people mostly deal with it eventually.
gollark: It is of course not exactly very easy to know if there *is* no other way.
gollark: Regardless of actual evidence or truth.

References
  1. Gosliner T. M. & Smith V. G. (2003). "Systematic review and phylogenetic analysis of the nudibranch genus Melibe (Opistobranchia: Dendronotacea) with descriptions of three new species". Proceedings of the California Academy of Sciences 54: 302-355. PDF.
  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.
  3. Picton, B.; Bouchet, P. (2017). Tethydidae Rafinesque, 1815. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=23125 on 2017-12-20
  4. Rudman W. B. (14 October 2002) "http://www.seaslugforum.net/factsheet.cfm?base=tethfimb". Sea Slug Forum, accessed 29 December 2010.
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