Erronea adusta

Erronea adusta, common name the chocolate beauty or tanned/dark onyx cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries.[1] This species was formerly regarded as a subspecies of the onyx cowry (Erronea onyx).[2]

Erronea adusta
A shell of Erronea adusta succinta from Zanzibar, anterior end towards the right
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily:
Cypraeoidea
Family:
Cypraeidae
Subfamily:
Erroneinae
Genus:
Erronea
Species:
E. adusta
Binomial name
Erronea adusta
(Lamarck, 1810)
Synonyms
  • Erronea onyx adusta, Lamarck, 1810
  • Cypraea adusta, Lamarck, 1810
  • Erronea succincta adusta, (Lamarck, 1810)

Description

The shells of these cowries reach on average 23–58 millimetres (0.91–2.28 in) of length. The dorsum surface of Erronea adusta is smooth, shiny and generally dark brown. The base is also dark brown, usually with orange teeth. The interior of the shell is pale purple.

A shell of Erronea adusta succinta from Zanzibar, ventral view, anterior end towards the left

Distribution

This species occurs in the Indian Ocean along East Africa (mainly Kenya, Mascarene, Mauritius and Tanzania).

Habitat

Erronea adusta lives in the tropical and subtropical zones, in shallow subtidal water.

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References
  1. Erronea adusta (Lamarck, 1810). MolluscaBase (2018). Erronea adusta (Lamarck, 1810). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=529744 on 21 June 2018 .
  2. Erronea onyx adusta (Lamarck, 1810). MolluscaBase (2018). Erronea onyx adusta (Lamarck, 1810). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=2223986 on 21 June 2018 .
  • Verdcourt, B. (1954). The cowries of the East African Coast (Kenya, Tanganyika, Zanzibar and Pemba). Journal of the East Africa Natural History Society 22(4) 96: 129-144, 17 pls.
  • Burgess, C.M. (1970). The Living Cowries. A. S. Barnes and Co, Ltd. Cranbury, New Jersey
  • Biolib
  • WoRMS
  • Erronea adusta on flmnh.ufl.edu
  • "Erronea succinta adusta". Gastropods.com. Retrieved 16 January 2019.
  • Erronea succinta adusta


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