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Africofusus ocelliferus

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Africofusus ocelliferus
Africofusus ocelliferus and operculum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Family: Fasciolariidae
Genus: Africofusus
Species:
A. ocelliferus
Binomial name
Africofusus ocelliferus
(Lamarck, 1816)
Synonyms[1]
  • Africofusus ocellifer (Lamarck, 1816) (incorrect subsequent spelling of specific epithet)
  • Cominella prolongata E. A. Smith, 1899
  • Fusinus adamsii Küster & Kobelt, 1876
  • Fusinus ocellifer [sic] (misspelling)
  • Fusinus ocellifer f. adamsii Küster & Kobelt, 1876
  • Fusinus ocelliferus (Lamarck, 1816)
  • Fusus adamsii Kobelt, 1876
  • Fusus cinnamomeus Reeve, 1847
  • Fusus crenulatus G. B. Sowerby II, 1880
  • Fusus ocellifer Lamarck, 1816
  • Fusus ocelliferus Lamarck, 1816 (original combination)
  • Fusus robustior G. B. Sowerby II, 1880
  • Fusus rudolphi Dunker, 1871
  • Fusus ventricosus H. Adams, 1870
  • Fusus verruculatus Lamarck, 1822

Africofusus ocelliferus, common name the long-siphoned whelk, is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.[1]

Spelling

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The specific name was originally spelled "ocelliferus"; although this is not a correct latinization it is not liable to a justified emendation (cf. ICZN art. 32.5.1. "Incorrect transliteration or latinization ... are not to be considered inadvertent errors"). The spelling ocellifer is therefore an unjustified emendation, which may be traced to Kaicher, 1976 (card no 1857) [1]

Description

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The length of the shell attains 160 mm. [2]

The shell varies from narrowly to broadly spindle-shaped, with the spire comprising half to three-quarters of the total aperture length. The siphonal canal is long and slender, sometimes accounting for up to one-third of the total shell length, and is often slightly curved. The sculpture consists of coarse, flattened spiral ridges, though the prominence of these ridges varies widely between specimens. Some individuals display a distinct shoulder adorned with rounded nodules. A deep false umbilicus is often present beside the siphonal base in mature specimens. The inner lip lacks columellar pleats, and the interior of the outer lip is smooth. [2]

The shell is whitish, with spiral ridges often spotted or mottled with brown. When present, the shoulder typically features darker brown spots, especially on the nodules. The periostracum is a velvety, horn-brown layer that often flakes off. The animal is orange-red. [2]

Distribution

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This marine species is endemic to South Africa and occurs off Namaqualand, West coast to KwaZulu-Natal South coast; infratidal to 150 m, perhaps to 300 m. [2]

References

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  1. ^ a b c MolluscaBase eds. (2020). MolluscaBase. Africofusus ocelliferus (Lamarck, 1816). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=1441254 on 2020-12-04
  2. ^ a b c d Herbert, D.G., Jones, G.J. & Atkinson, L.J. (2018). Phylum Mollusca. In: Atkinson, L.J. and Sink, K.J. (eds) Field Guide to the Offshore Marine Invertebrates of South Africa. Pretoria: Malachite Marketing and Media. p. 289. ISBN 978-1-86868-098-6. Retrieved 17 October 2024.{{cite book}}: CS1 maint: multiple names: authors list (link) This article incorporates text from this source, which is available under the CC BY-SA 4.0 license.Public Domain This article incorporates text from this source, which is in the public domain.
  • Lamarck J.B. (1816). Liste des objets représentés dans les planches de cette livraison. In: Tableau encyclopédique et méthodique des trois règnes de la Nature. Mollusques et Polypes divers. Agasse, Paris. 16 pp.
  • Steyn DG and Lussi M. (2005). Offshore shells of southern Africa: A pictorial guide to more than 750 gastropods. published by the authors. p. 148.
  • Marais JP and Kilburn RN. (2010). Fasciolariidae. In: Marais AP and Seccombe AD (eds) Identification Guide to the Seashells of South Africa. Vol. 1. Groenkloof. Centre for Molluscan Studies. p. 136.
Africofusus ocelliferus, abapertural view
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