Contradusta walkeri: Difference between revisions

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{{Short description|Species of gastropod}}
{{Italic title}}
{{Speciesbox
{{Taxobox
| name = ''Contradusta walkeri''
| image = Cypraea walkeri - Philippines-4.JPG
| image_caption = A [[gastropod shell|shell]] of ''Contradusta walkeri'' from Philippines, anterior end towards the right
| image =
| genus = Contradusta
| image_caption =
| regnum = [[Animal]]ia
| species = walkeri
| authority = ([[George Brettingham Sowerby I|Sowerby I]], 1832)
| phylum = [[Mollusca]]
| classis = [[Gastropoda]]
| unranked_familia = clade [[Caenogastropoda]]<br />clade [[Littorinimorpha]]
| superfamilia = [[Cypraeoidea]]
| familia = [[Cypraeidae]]
| subfamilia = [[Erroneinae]]
| genus = ''[[Contradusta ]]''
| subgenus =
| species = '''''C. walkeri'''''
| binomial = ''Contradusta walkeri''
| binomial_authority = (Sowerby I, 1832)
| synonyms_ref = <ref name="WoRMS" />
| synonyms_ref = <ref name="WoRMS" />
| synonyms =*''Cypraea walkeri'' <small>([[George Brettingham Sowerby I|Sowerby I]], 1832)</small> ([[basionym]])
| synonyms =
* ''Cypraea walkeri'' (Sowerby I, 1832) ([[basionym]])
*''Cypraea amabilis'' <small>[[Félix Pierre Jousseaume|Jousseaume]], 1881</small>
*''Erronea walkeri continens merista'' (f) <small>[[Tom Iredale|Iredale]], 1939</small>
* ''Cypraea amabilis'' Jousseaume, F.P., 1881
* ''Erronea walkeri continens merista'' (f) Iredale, T., 1939
}}
}}


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==Subspecies==
==Subspecies==
* ''Contradusta walkeri continens'' (Iredale, T., 1935) <ref> [http://www.gastropods.com/3/Shell_4503.shtml Gastropods.com : ''Contradusta walkeri continens'']; accessed : 24 October 2010 </ref>
*''Contradusta walkeri continens'' <small>([[Tom Iredale|Iredale]], 1935)</small> <ref>{{Gastropods.com|key=3|id=4503|title=''Contradusta walkeri continens''|access-date=24 October 2010}}</ref>
* ''Contradusta walkeri surabajensis'' Schilder, F.A., 1937 <ref> [http://www.gastropods.com/8/Shell_888.shtml Gastropods.com : ''Contradusta walkeri surabajensis'']; accessed : 24 October 2010 </ref>
*''Contradusta walkeri surabajensis'' <small>Schilder, F.A., 1937</small> <ref>{{Gastropods.com|key=8|id=888|title=''Contradusta walkeri surabajensis''|access-date=24 October 2010}}</ref>
* ''Contradusta walkeri walkeri'' (Sowerby, G.B. I, 1832) <ref> [http://www.gastropods.com/0/Shell_100.shtml Gastropods.com : ''Contradusta walkeri walkeri'']; accessed : 24 October 2010 </ref>
*''Contradusta walkeri walkeri'' <small>([[George Brettingham Sowerby I|Sowerby I]], 1832)</small> <ref>{{Gastropods.com|key=0|id=100|title=''Contradusta walkeri walkeri''|access-date=24 October 2010}}</ref>


==Description==
==Description==
The shells of these common cowries reach on average {{convert|19|-|23|mm}}of length, with a minimum size of {{convert|14|mm}} and a maximum size of {{convert|39|mm}}. The shape is usually oval, the dorsum surface is smooth and shiny, the basic color is pale brown, with a wide dark brown trasversal band and some small irregular brown patches on the top. The margins are white, with several brown dots. The base may be white, purple or cream and the wide and sinuous aperture shows long labial teeth. The interior of the shell may be purple. In the living cowries the mantle is transparent, with short sensorial papillae.
The shell size varies between 15mm and 39 mm.
{|
{{Expand section|date=May 2010}}
||[[File:Cypraeidae - Cypraea walkeri - Philippines-1.JPG|thumb|220px|left|A [[gastropod shell|shell]] of ''Contradusta walkeri'' from Philippines, dorsal view, anterior end towards the right]]
||[[File:Cypraea walkeri - Philippines-3.JPG|thumb|200px|left|A [[gastropod shell|shell]] of ''Contradusta walkeri'' from Philippines, lateral view, anterior end towards the right]]
||[[File:Cypraeidae - Cypraea walkeri - Philippines-4.JPG|thumb|200px|left|A [[gastropod shell|shell]] of ''Contradusta walkeri'' from Philippines, ventral view, anterior end towards the left]]
||[[File:Contradusta walkeri surabajensis 01.JPG|thumb|220px|left|A [[gastropod shell|shell]] of ''Contradusta walkeri'' ssp. ''surabajensis'' from Japan]]
|}


==Distribution==
==Distribution==
This species is distributed in the [[Red Sea]], in the Indian Ocean along the [[Seychelles]], in the Pacific along [[South East Asia]], the [[Philippines]], [[Melanesia]], and [[Australia]].
This species is distributed in the [[Red Sea]], in the Indian Ocean along the [[Seychelles]], in the West Pacific along [[South East Asia]], the [[Philippines]], [[Melanesia]] and [[Australia]].

==Habitat==
They live in tropical subtidal waters and in continental shelf at about {{convert|5|-|25|m}} of depth, usually on coral reef or under rocks.


==References==
==References==
{{reflist}}
{{Reflist}}


==External links==
==External links==
* [https://www.biolib.cz/en/taxon/id143285/ Biolib]
*
* [http://clade.ansp.org/obis/search.php/52631 Clade]

{{Commons category-inline}}

{{Taxonbar|from=Q5165712}}


[[Category:Cypraeidae]]
[[Category:Cypraeidae]]
[[Category:Gastropods described in 1832]]





Latest revision as of 00:42, 11 May 2021

Contradusta walkeri
A shell of Contradusta walkeri from Philippines, anterior end towards the right
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Cypraeidae
Genus: Contradusta
Species:
C. walkeri
Binomial name
Contradusta walkeri
(Sowerby I, 1832)
Synonyms[1]

Contradusta walkeri is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries.[1]

Subspecies[edit]

  • Contradusta walkeri continens (Iredale, 1935) [2]
  • Contradusta walkeri surabajensis Schilder, F.A., 1937 [3]
  • Contradusta walkeri walkeri (Sowerby I, 1832) [4]

Description[edit]

The shells of these common cowries reach on average 19–23 millimetres (0.75–0.91 in)of length, with a minimum size of 14 millimetres (0.55 in) and a maximum size of 39 millimetres (1.5 in). The shape is usually oval, the dorsum surface is smooth and shiny, the basic color is pale brown, with a wide dark brown trasversal band and some small irregular brown patches on the top. The margins are white, with several brown dots. The base may be white, purple or cream and the wide and sinuous aperture shows long labial teeth. The interior of the shell may be purple. In the living cowries the mantle is transparent, with short sensorial papillae.

A shell of Contradusta walkeri from Philippines, dorsal view, anterior end towards the right
A shell of Contradusta walkeri from Philippines, lateral view, anterior end towards the right
A shell of Contradusta walkeri from Philippines, ventral view, anterior end towards the left
A shell of Contradusta walkeri ssp. surabajensis from Japan

Distribution[edit]

This species is distributed in the Red Sea, in the Indian Ocean along the Seychelles, in the West Pacific along South East Asia, the Philippines, Melanesia and Australia.

Habitat[edit]

They live in tropical subtidal waters and in continental shelf at about 5–25 metres (16–82 ft) of depth, usually on coral reef or under rocks.

References[edit]

  1. ^ a b Contradusta walkeri (Sowerby I, 1832). WoRMS (2009). Contradusta walkeri (Sowerby I, 1832) . Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=530913 on 24 October 2010 .
  2. ^ "Contradusta walkeri continens". Gastropods.com. Retrieved 24 October 2010.
  3. ^ "Contradusta walkeri surabajensis". Gastropods.com. Retrieved 24 October 2010.
  4. ^ "Contradusta walkeri walkeri". Gastropods.com. Retrieved 24 October 2010.

External links[edit]

Media related to Contradusta walkeri at Wikimedia Commons