Thylacodes

Thylacodes is a genus of sea snails, marine gastropod mollusks in the family Vermetidae, the worm snails or worm shells. The species in this genus were previously placed in the genus Serpulorbis.[2]

Thylacodes
A view of the shell of a single live Thylacodes squamigerus
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily:
Vermetoidea
Family:
Vermetidae
Genus:
Thylacodes[1]

Guettard, 1770

Unlike some other vermetids, the species in this genus have no operculum.

Like other vermetids, the species in this genus do not have regular shell coiling like that of a typical gastropod shell, instead they have shells which are irregular. They are usually cemented onto a hard surface. Because of all this, the shells resemble the calcareous tubes of worms in the polychaete family Serpulidae.

Species

Species within the genus Thylacodes include:

Synonyms
  • Thylacodes angulatus (Rousseau in Chenu, 1844) = Eualetes tulipa (Rousseau in Chenu, 1843)
  • Thylacodes caperatus (Tate & May, 1900) = Petaloconchus caperatus (Tate & May, 1900)
  • Thylacodes dentiferus (Mörch, 1859) = Thylacodes longifilis (Mörch, 1862)
  • Thylacodes effusus (Valenciennes in Chenu, 1844) = Eualetes tulipa (Rousseau in Chenu, 1843)
  • Thylacodes oryzata (Mörch, 1862) = Thylacodes oryzatus (Mörch, 1862)

References
  1. Bieler, R.; Rosenberg, G. (2015). Thylacodes Guettard, 1770. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=598651 on 2015-07-17
  2. Bieler, R.; Rosenberg, G. (2015). Thylacodes Guettard, 1770. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=598651 on 2015-07-17
  3. Rüdiger Bieler, Camila Granados-Cifuentes, Timothy A. Rawlings, Petra Sierwald, Timothy M. Collins. Non-native molluscan colonizers on deliberately placed shipwrecks in the Florida Keys, with description of a new species of potentially invasive worm-snail (Gastropoda: Vermetidae). PeerJ, 2017; 5: e3158 DOI: 10.7717/peerj.3158
  4. Science News: 'Spiderman' worm-snails discovered on Florida shipwreck; Science Daily, 5 April 2017


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