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Lamellariinae

Lamellariinae is a subfamily of small slug-like sea snails, marine gastropod molluscs belonging to the family Velutinidae, in the order Littorinimorpha. This subfamily is unique within Velutinidae for having a radula that lacks marginal teeth (dental formula: 0:1:1:1:0).

Description

Species with internal shell, hidden beneath a papillate mantle with lateral flaps. These flaps are in some genera fused to enclose the shell. The thin shell is smooth and contains two to three whorls of which the body whorl is rapidly expanding into a large aperture. Some species have a thick, hairy periostracum. They resemble dorid nudibranches, but differ by their smooth tentacles and the absence of a dorsal gill circlet.

Most species are carnivores feeding mainly on ascidians, tunicates and cnidarians.

Genera

Genera in the subfamily Lamellariinae include:

Synonyms:
  • Chelinotus <small>Swainson, 1840</small>: synonym of Coriocella <small>Blainville, 1824</small>
  • Chelyonotus <small>Herrmannsen, 1846</small>: synonym of Chelinotus <small>Swainson, 1840</small>: synonym of Coriocella <small>Blainville, 1824</small> (unjustified emendation)
  • Cryptocella <small>H. Adams & A. Adams, 1853</small>: synonym of Lamellaria <small>Montagu, 1816</small> (junior objective synonym of Lamellaria)
  • Djiboutia <small>Vayssière, 1912</small>: synonym of Lamellaria <small>Montagu, 1816</small>
  • Marsenia <small>Oken, 1823</small>: synonym of Lamellaria <small>Montagu, 1816</small>
  • Sacculus <small>Hirase, 1927</small>: synonym of Pseudosacculus <small>Hirase, 1928 (non Gosse, 1851)</small>

References

  • Troschel, F. H. (1848). Mollusca, Gastropoda. Pp.&nbsp;536–568, in: A. F. A. Wiegmann & J. F. Ruthe, Handbuch der Zoologie, ed. 3. Lüderitz, Berlin. iv + 651 pp.

Further reading

  • Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979
  • Thiele, J. (1929-1935). Handbuch der systematischen Weichtierkunde. Jena, Gustav Fischer, 1154 pp.&nbsp;Vol. 1 part 1: 1-376
  • Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1–526.

External links