Olivella altatae, copyright Femorale.

Belongs within: Olivoidea.

Olivella, the dwarf olives, is a genus of predatory marine gastropods similar to the olives of the family Olividae, but with a more produced spire and a large, thin, horny operculum (Oldroyd 1927).

Characters (from Oldroyd 1927): Shell polished, small; spire produced, acute, suture canaliculated; aperture narrow behind, enlarged anteriorly; columella plicated in front, callous posteriorly. Operculum horny, thin, half ovate, with apical nucleus.

<==Olivella Swainson 1831BR05
    |--O. (Olivella)BC01
    |    |--*O. (O.) purpurata Swainson 1831BR17
    |    |--O. (O.) adelae Olsson 1956BC01
    |    |--O. (O.) alba (Marrat in Sowerby 1871)BB63
    |    |--O. (O.) altatae Burch & Campbell 1963BC01
    |    |--O. (O.) bitleri Olsson 1956BB63
    |    |--O. (O.) brogii Olsson 1956BB63
    |    |--O. (O.) cocosensis Olsson 1956BB63
    |    |--O. (O.) dama (Wood 1828)BB63
    |    |--O. (O.) drangai Olsson 1956BB63
    |    |--O. (O.) fletcherae Berry 1958BB63
    |    |--O. (O.) gracilis (Broderip & Sowerby 1829)BB63 (see below for synonymy)
    |    |    |--O. g. gracilisBB63
    |    |    `--O. g. gaylordi Ford 1894BB63
    |    |--O. (O.) rehderi Olsson 1956BB63
    |    |--O. (O.) riverae Olsson 1956BB63
    |    |--O. (O.) sphoni Burch & Campbell 1963BC01
    |    |--O. (O.) steveni Burch & Campbell 1963BB63
    |    |    |--O. s. steveniBB63
    |    |    `--O. s. campbelli Burch & Campbell 1963BB63
    |    |--O. (O.) tergina (Duclos 1835)BB63 [=Olivina terginaC64]
    |    |--O. (O.) undatellaO27
    |    `--O. (O.) walkeri Berry 1958BB63
    |--O. (Callianax Adams & Adams 1853)BB63
    |    |--O. (C.) intorta (Carpenter 1856)BB63
    |    |--O. (C.) pedroana (Conrad 1856) [incl. O. pycna Berry 1935]BB63
    |    `--O. (C.) zonalis (Lamarck 1811)BB63 [=Olivina zonalisC64]
    |--O. (Dactylidella Wood 1928)BB63
    |    |--O. (D.) anazora (Duclos 1835)BB63 [=Olivina anazoraC64]
    |    `--O. (D.) cymatilis Berry 1963BC01
    |--O. (Lamprodoma Swainson 1840)BB63
    |    `--O. (L.) volutella (Lamarck 1811)BB63
    |--O. (Macgintiella Olsson 1956)BB63
    |    `--O. (*M.) watermaniBB63
    |--O. (Minioliva Olsson 1956)BB63
    |    `--O. (M.) inconspicua (Adams 1852)BB63
    |--O. (Niteoliva Olsson 1956)BB63
    |    |--O. (N.) morrisoni Olsson 1956BB63
    |    `--O. (N.) peterseni Olsson 1956BB63
    |--O. (Pachyoliva Olsson 1956)BB63
    |    |--O. columellaris (Sowerby 1825)BB63 [=Olivina columellarisC64]
    |    `--O. (P.) semistriata (Gray 1839)CC95
    `--O. (Zanoetella Olsson 1956)BB63
         `--O. (Z.) zanoeta (Duclos 1835)BB63
Olivella incertae sedis:
  O. aureocincta [=Oliva aureocincta, incl. Oliva pellucida]C64
  O. australis Tennison Woods 1877P79
  O. baetica (Marrat in Sowerby 1871) [incl. O. porteri Dall 1910]BB63
    |--O. b. baeticaO27
    |--O. b. diegensis Oldroyd 1921O27
    `--O. b. mexicana Oldroyd 1921O27
  O. biplicata (Sowerby 1825)O27 (see below for synonymy)
  O. borealisK96
  O. fulgidaC64
  O. lataC60
  O. miriadina (Duclos 1835)BB63
  O. stegeri Olsson 1956BC01

Olivella biplicata (Sowerby 1825)O27 [incl. O. biplicata angelina Oldroyd 1921BB63, O27, O. biplicata fucana Oldroyd 1921BB63, O27, O. glandinariaC64, O. biplicata lapillus Vanatta 1915BB63, O27, O. biplicata parva Oldroyd 1920BB63, O27]

Olivella (Olivella) gracilis (Broderip & Sowerby 1829)BB63 [=Olivina gracilisC64; incl. Olivella versicolor (Marrat in Sowerby 1871BB63]

*Type species of generic name indicated


[BR05] Bouchet, P., & J.-P. Rocroi. 2005. Classification and nomenclator of gastropod families. Malacologia 47 (1–2): 1–397.

[BR17] Bouchet, P., J.-P. Rocroi, B. Hausdorf, A. Kaim, Y. Kano, A. Nützel, P. Parkhaev, M. Schrödl & E. E. Strong. 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia 61 (1–2): 1–526.

[BC01] Boyko, C. B., & J. R. Cordeiro. 2001. Catalog of Recent type specimens in the Division of Invertebrate Zoology, American Museum of Natural History. V. Mollusca, part 2 (class Gastropoda [exclusive of Opisthobranchia and Pulmonata], with supplements to Gastropoda [Opisthobranchia], and Bivalvia). Bulletin of the American Museum of Natural History 262: 1–170.

[BB63] Burch, J. Q., & R. L. Burch. 1963. Genus Olivella in eastern Pacific. Nautilus 77 (1): 1–8.

[C64] Carpenter, P. P. 1864. Supplementary report on the present state of our knowledge with regard to the Mollusca of the west coast of North America. Report of the British Association for the Advancement of Science 33: 517–686.

[CC95] Coovert, G. A., & H. K. Coovert. 1995. Revision of the supraspecific classification of marginelliform gastropods. Nautilus 109 (2–3): 43–110.

[C60] Cox, L. R. 1960. Gastropoda: general characteristics of Gastropoda. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt I. Mollusca 1: Mollusca—General Features, Scaphopoda, Amphineura, Monoplacophora, Gastropoda—General Features, Archaeogastropoda and some (mainly Paleozoic) Caenogastropoda and Opisthobranchia pp. I84–I169. Geological Society of America, and University of Kansas Press.

[K96] Kantor, Y. I. 1996. Phylogeny and relationships of Neogastropoda. In: Taylor, J. D. (ed.) Origin and Evolutionary Radiation of the Mollusca pp. 221–230. Oxford University Press: Oxford.

[O27] Oldroyd, I. S. 1927. The Marine Shells of the West Coast of North America vol. 2 pt 1. Stanford University Press: Stanford University (California).

[P79] Petterd, W. F. 1879. List of the freshwater shells of Tasmania. Journal of Conchology 2: 80–88.

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