Burnupena papyracea

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Burnupena papyracea
Burnupena papyracea 001.jpg
Two views of a shell of Burnupena papyracea (museum specimens at Naturalis Biodiversity Center)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Family: incertae sedis
Genus: Burnupena
Species:
B. papyracea
Binomial name
Burnupena papyracea
(Bruguière, 1789)
Synonyms [1]
  • Buccinum anglicanumGmelin, 1791
  • Buccinum britanicumRöding, 1798
  • Buccinum intinctumReeve, 1846
  • Buccinum norvegicumLamarck, 1816
  • Buccinum papyraceumBruguière, 1789 (basionym)
  • Burnupena papyracea f. anglicanum(Gmelin, 1791)
  • Burnupena papyracea papyracea(Bruguière, 1789) · accepted, alternate representation

Burnupena papyracea, common name the papery burnupena, is a species of sea snail, a marine gastropod mollusc. [1]

Contents

Description

The length of the shell attains 60 mm,

The oblong, conical shell is rather thin. It is of a reddish-brown color, covered transversely with striae and ridges, with some slightly apparent longitudinal striae. The transverse ridges are raised and very prominent. The spire is elongated and contains seven whorls. These are convex and depressed at their upper part. The body whorl is longer than all the others together. The aperture is elongated, ovate, of a reddish yellow, and slightly emarginated at its base. The outer lip is thin, forming at its upper and internal part a sort of small canal at its union with the left lip. The columella is almost straight, subverrucose, and of a reddish yellow. [2]

The shell is dull brown with fine ridges along the spirals and a papery outer layer that peels off when dead, but in life is usually encrusted by the commensal bryozoan Alcyonidium nodosum which gives a slightly nodular velvety appearance in purplish to orangy browns [3] Easily confused in the field with B. pubescens, which does not reach the same maximum size. [4]

Distribution

Papery burnupena on lacy false coral at the Drop Zone in False Bay Burnupena cf papyracea PB300183.JPG
Papery burnupena on lacy false coral at the Drop Zone in False Bay

This marine species occurs off the west coast of South Africa from Namibia to Hermanus, subtidally to 37m, Endemic. [4]

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References

  1. 1 2 Burnupena papyracea . Retrieved through: World Register of Marine Species  on 14 July 2012.
  2. ↑ Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers; Boston :W.D. Ticknor,1837 (described as Buccinum anglicanum )
  3. ↑ Branch, G.M., Branch, M.L, Griffiths, C.L. and Beckley, L.E. (2010). Two Oceans: a guide to the marine life of southern Africa Struik Nature, Cape Town. ISBN   978 1 77007 772 0
  4. 1 2 Jones, Georgina. A field guide to the marine animals of the Cape Peninsula. SURG, Cape Town, 2008. ISBN   978-0-620-41639-9


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