Retusa truncatula

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Retusa truncatula
Retusa truncatula 01.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Cephalaspidea
Family: Retusidae
Genus: Retusa
Species:
R. truncatula
Binomial name
Retusa truncatula
(Bruguière, 1792)
Synonyms [1]

Bulla pellucidaBrown, 1827

  • Bulla retusaMaton & Rackett, 1807
  • Bulla semisulcataPhilippi, 1836
  • Bulla truncataAdams J., 1800
  • Bulla truncatulaBruguière, 1792 (original combination)
  • Coleophysis effusaMonterosato, 1890 (dubious synonym)
  • Cylichna truncatellaLocard, 1886
  • Retusa (Coleophysis) piriformisNordsieck, 1972
  • Retusa carinensisde Gregorio, 1889
  • Retusa dilatataPallary, 1904 (dubious synonym)
  • Retusa dilatata var. minorPallary, 1904 (dubious synonym)
  • Retusa piriformisNordsieck, 1972
  • Retusa semisulcata(Philippi, 1836)
  • Utriculus truncatulus(Bruguière, 1792)
  • Utriculus truncatulus var. pellucida(Brown, 1827)
  • Volvaria pellucidaBrown, 1827

Retusa truncatula is a species of very small head-shield sea snail or barrel-bubble snail, a marine gastropod mollusc in the family Retusidae [1]

Contents

The subspecies Retusa truncatula var. mammilata: is a synonym of Retusa mammillata (Philippi, 1836)

Description

The shell is minute with a flattened spire and longitudinal striations. The colour of the living animal is white. The adult length is usually less than 4 mm. [2]

Distribution

This species occurs in South Africa, from False Bay to Durban in shallow estuaries. It is also known from northern Europe, the Mediterranean Sea and the Canary Islands. [2]

Natural history

This small sea snail lives from the intertidal zone to just below the low water mark. It burrows in the mud or sand of tidal marshes, and feeds on foraminiferans. [2]

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References

  1. 1 2 Gofas, S. (2013). Retusa truncatula (Bruguière, 1792). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141138 on 2014-03-20
  2. 1 2 3 Gosliner, T.M. 1987. Nudibranchs of Southern Africa ISBN   0-930118-13-8