Vaceuchelus semilugubris is a species of sea snail, a marine gastropod mollusc in the family Chilodontaidae.Bouchet, P. (2012). Vaceuchelus semilugubris (Deshayes, 1863). Retrieved through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=547174 on 2013-04-14Poppe G.T., Tagaro S.P. & Dekker H. (2006) The Seguenziidae, Chilodontidae, Trochidae, Calliostomatidae and Solariellidae of the Philippine Islands. Visaya Supplement 2: 1-228.
Description The height of the shell attains 3.5 mm. The small shell has a turbinate, subglobose shape. Its color is white, marbled with black. The spire is somewhat obtuse. The five whorls are declivous above and spirally deeply sulcate. The sulci are subgranulose. The body whorl is large with a perforate base. The very oblique aperture is circular and pearly within. The flat columella is arcuate and truncate anteriorly.G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Leptothyra semilugubris)
Distribution This marine shell occurs in the Indian Ocean off Réunion and Mauritius.
References
External links
Deshayes, G. P. (1863). Catalogue des mollusques de l'île de la Réunion (Bourbon). Pp. 1-144. In Maillard, L. (Ed.) Notes sur l'Ile de la Réunion. Dentu, Paris. Encyclopedia of Life Herbert, D. G. (2012). A Revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of Southern Africa and the South-Western Indian Ocean. African Invertebrates. 53(2): 381-502 World Register of Marine Species