Olivancillaria is a genus of sea snails, marine gastropod mollusks in the subfamily Olivancillariinae of the family Olividae.
Description Animal: The head and tentacles are concealed. The mantle shows a large, thick, fleshy appendage behind. The foot is very voluminous, runcate posteriorly. The shield has very large and rounded side-lobes.
The operculum is distinct, half-ovate with an subapical nucleus.
Shell: The shell is smooth and oblong. The spire is short with the suture not canaliculated to the apex. The aperture is moderate. The columella shows two or three oblique plaits anteriorly, and has a large callosity posteriorly.Adams, H. & Adams, A. (1853-1858). The genera of Recent Mollusca; arranged according to their organization. London, van Voorst. Vol. 1: xl + 484 pp.; vol. 2: 661 pp.; vol. 3: 138 pls
Species Species within the genus Olivancillaria include: Olivancillaria auricularia (Lamarck, 1811) Olivancillaria carcellesi Klappenbach, 1965 † Olivancillaria claneophila (Duclos, 1840) Olivancillaria contortuplicata (Reeve, 1850) Olivancillaria deshayesiana (Ducros de Saint Germain, 1857) Olivancillaria orbignyi (Marrat, 1868) Olivancillaria teaguei Klappenbach, 1964 Olivancillaria urceus (Röding, 1798) Olivancillaria vesica (Gmelin, 1791) Species brought into synonymy Olivancillaria brasiliana (Lamarck, 1811): synonym of Olivancillaria urceus (Röding, 1798) Olivancillaria buckuporum Thomé, 1966: synonym of Olivancillaria carcellesi Klappenbach, 1965 Olivancillaria brasiliana (Lamarck, 1811): synonym of Olivancillaria urceus (Röding, 1798) Olivancillaria millepunctata (Duclos, 1840): synonym of Olivella millepunctata (Duclos, 1835) Olivancillaria nana (Lamarck, 1811): synonym of Olivella nana (Lamarck, 1811) Olivancillaria steeriae (Reeve, 1850): synonym of Agaronia steeriae (Reeve, 1850) Olivancillaria uretai Klappenbach, 1965: synonym of Olivancillaria orbignyi (Marrat, 1868) Olivancillaria zenopira (Duclos, 1835): synonym of Olivella nana (Lamarck, 1811)
References
Further reading Teso V. & Pastorino G. (2011) A revision of the genus Olivancillaria (Mollusca: Olividae) from the southwestern Atlantic. Zootaxa 2889: 1–34.
External links
Orbigny, A. D. d'. (1834-1847). Voyage dans l'Amérique méridionale (le Brésil, la république orientale de l'Uruguay, la République argentine, la Patagonie, la république du Chili, la république de Bolivia, la république du Pérou), exécuté pendant les années 1826, 1827, 1828, 1829, 1830, 1831, 1832 et 1833. Tome 5(3) Mollusques. pp. i-xliii, 1-758, 85 plates