Chtenopteryx sicula: Difference between revisions

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{{Short description|Species of squid}}
{{Taxobox
{{Speciesbox
| name = Comb-finned Squid
| name = Comb-finned squid
| image =
| status = DD
| status_system = IUCN3.1
| status_ref = <ref name="iucn status 18 November 2021">{{cite iucn |author=Allcock, L. |author2=Young, R. |date=2014 |title=''Chtenopteryx sicula'' |volume=2014 |page=e.T162910A952453 |doi=10.2305/IUCN.UK.2014-1.RLTS.T162910A952453.en |access-date=18 November 2021}}</ref>
⚫
| image = Chtenopteryx sicula.jpg
| image_caption = ''Chtenopteryx sicula'' caught off [[Naples]].
| image_caption = ''Chtenopteryx sicula'' caught off [[Naples]].
⚫
| taxon = Chtenopteryx sicula
| regnum = [[Animal]]ia
| authority = ([[Jean Baptiste Vérany|Vérany]], 1851)<ref name = WoRMS>{{cite web | url = http://www.marinespecies.org/aphia.php?p=taxdetails&id=181377 | title = ''Chtenopteryx sicula'' (Vérany, 1851) | accessdate = 25 February 2018 | publisher = Flanders Marine Institute | author = Julian Finn | year = 2016 | work = World Register of Marine Species}}</ref>
| phylum = [[Mollusc]]a
| synonyms = *''Calliteuthis nevroptera'' Jatta, 1896
| classis = [[Cephalopod]]a
*''Chtenopteryx fimbriatus'' <small>[[Adolf Appellöf|Appellöf]], 1890</small>
| subclassis = [[Coleoidea]]
*''Chtenopteryx siculus'' <small>(Vérany, 1851)</small>
| ordo = [[Teuthida]]
*''Ctenopteryx cyprinoides'' <small>[[Louis Joubin|Joubin]], 1894</small>
| subordo = [[Oegopsina]]
*''Ctenopteryx sicula'' <small>(Vérany, 1851)</small>
| familia = [[Chtenopterygidae]]
*''Sepioteuthis sicula'' <small>Vérany, 1851</small>
⚫
| genus = ''[[Chtenopteryx]]''
| synonyms_ref = <ref name = WoRMS/>
| species = '''''C. sicula'''''
⚫
| binomial = ''Chtenopteryx sicula''
| binomial_authority = ([[Vérany]], 1851)
| synonyms =
}}
}}


The '''Comb-finned Squid''' or '''Toothed-fin Squid''' (''Chtenopteryx sicula'') is a species of squid native to at least the [[Mediterranean Sea]]. It is characterised by several distinct morphological features: ocular [[photophore]]s are present but visceral photophores are absent, [[cephalopod arm|arm]] suckers are arranged in at least 4 series distally, and club suckers are borne in more than 8 series.
'''''Chtenopteryx sicula''''', also known as the '''comb-finned squid''' or '''toothed-fin squid''', is a species of squid native to at least the [[Mediterranean Sea]]. It is characterised by several distinct morphological features: ocular [[photophore]]s are present but visceral photophores are absent, [[cephalopod arm|arm]] suckers are arranged in at least 4 series distally, and club suckers are borne in more than 8 series.


The [[type specimen]] was collected off [[Messina]], [[Italy]]. It is deposited at the [[Muséum d'Histoire Naturelle (Musée Barla)]] in [[Nice]].<ref>[http://www.mnh.si.edu/cephs/newclass.pdf Current Classification of Recent Cephalopoda]</ref>
The [[type specimen]] was collected off [[Messina]], [[Italy]]; the specific name ''sicula'' means "of Sicily". It is deposited at the [[Muséum d'Histoire Naturelle (Musée Barla)]] in [[Nice]].<ref>[http://www.mnh.si.edu/cephs/newclass.pdf Current Classification of Recent Cephalopoda] {{webarchive |url=https://web.archive.org/web/20061210100404/http://www.mnh.si.edu/cephs/newclass.pdf |date=December 10, 2006 }}</ref>

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[[Image:Chtenopteryx sicula paralarvae.jpg|thumb|left|400px|''Chtenopteryx sicula'' paralarvae. Left: Two very young paralarvae. The circular [[tentacular]] clubs bear approximately 20 irregularly arranged suckers. Two [[chromatophore]]s are present on each side of the [[mantle (mollusc)|mantle]]. Centre: Ventral, dorsal and side views of a more advanced paralarva. An equatorial circulet of seven large yellow-brown chromatophores is present on the mantle. Posteriorly the expanded vanes of the gladius are visible in the dorsal view. Right: Ventral and dorsal views of a very advanced paralarva.]]


== Gallery ==
<gallery>
<gallery>
Image:Chtenopteryx sicula2.jpg|Ventral view of the viscera, showing the absence of a visceral photophore and the presence of the accessory [[nidamental gland]].
File:Chtenopteryx sicula2.jpg|Ventral view of the viscera, showing the absence of a visceral photophore and the presence of the accessory [[nidamental gland]].
File:Fresh Chtenopteryx sicula.jpg|Fresh-caught specimens of ''C. sicula'' from the North Atlantic
⚫
File:Chtenopteryx sicula paralarvae.jpg|''Chtenopteryx sicula'' paralarvae. Left: Two very young paralarvae. The circular [[tentacular]] clubs bear approximately 20 irregularly arranged suckers. Two [[Chromatophore|chromatophores]] are present on each side of the [[Mantle (mollusc)|mantle]]. Centre: Ventral, dorsal and side views of a more advanced paralarva. An equatorial circulet of seven large yellow-brown chromatophores is present on the mantle. Posteriorly the expanded vanes of the [[Gladius (cephalopod)|gladius]] are visible in the dorsal view. Right: Ventral and dorsal views of a very advanced paralarva.
</gallery>
</gallery>


==References==
==References==
{{Reflist}}
<references />

⚫
*Naef, A. 1921-23. ''Cephalopoda. Fauna e Flora de Golfo di Napoli''. Monograph, no. 35, 863 pp.
==Further reading==
⚫
*Naef, A. 1921–23. ''Cephalopoda. Fauna e Flora de Golfo di Napoli''. Monograph, no. 35.


==External links==
==External links==
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* [http://tolweb.org/Chtenopteryx_sicula Tree of Life web project: ''Chtenopteryx sicula'']
* [http://tolweb.org/Chtenopteryx_sicula Tree of Life web project: ''Chtenopteryx sicula'']


{{Taxonbar|from=Q2796438}}
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[[Category:Squid]]

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[[Category:Animals described in 1851]]
[[Category:Bathyteuthida]]
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[[Category:Cephalopods described in 1851]]
[[Category:Marine molluscs of Europe]]
[[Category:Cephalopods of Europe]]
[[Category:Molluscs of the Mediterranean Sea]]
⚫
[[Category:Messina]]
{{squid-stub}}
{{squid-stub}}

Latest revision as of 12:18, 10 May 2024

Comb-finned squid
Chtenopteryx sicula caught off Naples.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Bathyteuthida
Family: Chtenopterygidae
Genus: Chtenopteryx
Species:
C. sicula
Binomial name
Chtenopteryx sicula
(Vérany, 1851)[2]
Synonyms[2]
  • Calliteuthis nevroptera Jatta, 1896
  • Chtenopteryx fimbriatus Appellöf, 1890
  • Chtenopteryx siculus (Vérany, 1851)
  • Ctenopteryx cyprinoides Joubin, 1894
  • Ctenopteryx sicula (Vérany, 1851)
  • Sepioteuthis sicula Vérany, 1851

Chtenopteryx sicula, also known as the comb-finned squid or toothed-fin squid, is a species of squid native to at least the Mediterranean Sea. It is characterised by several distinct morphological features: ocular photophores are present but visceral photophores are absent, arm suckers are arranged in at least 4 series distally, and club suckers are borne in more than 8 series.

The type specimen was collected off Messina, Italy; the specific name sicula means "of Sicily". It is deposited at the Muséum d'Histoire Naturelle (Musée Barla) in Nice.[3]

Gallery[edit]

  • Ventral view of the viscera, showing the absence of a visceral photophore and the presence of the accessory nidamental gland.
    Ventral view of the viscera, showing the absence of a visceral photophore and the presence of the accessory nidamental gland.
  • Fresh-caught specimens of C. sicula from the North Atlantic
    Fresh-caught specimens of C. sicula from the North Atlantic
  • Chtenopteryx sicula paralarvae. Left: Two very young paralarvae. The circular tentacular clubs bear approximately 20 irregularly arranged suckers. Two chromatophores are present on each side of the mantle. Centre: Ventral, dorsal and side views of a more advanced paralarva. An equatorial circulet of seven large yellow-brown chromatophores is present on the mantle. Posteriorly the expanded vanes of the gladius are visible in the dorsal view. Right: Ventral and dorsal views of a very advanced paralarva.
    Chtenopteryx sicula paralarvae. Left: Two very young paralarvae. The circular tentacular clubs bear approximately 20 irregularly arranged suckers. Two chromatophores are present on each side of the mantle. Centre: Ventral, dorsal and side views of a more advanced paralarva. An equatorial circulet of seven large yellow-brown chromatophores is present on the mantle. Posteriorly the expanded vanes of the gladius are visible in the dorsal view. Right: Ventral and dorsal views of a very advanced paralarva.

References[edit]

  1. ^ Allcock, L.; Young, R. (2014). "Chtenopteryx sicula". IUCN Red List of Threatened Species. 2014: e.T162910A952453. doi:10.2305/IUCN.UK.2014-1.RLTS.T162910A952453.en. Retrieved 18 November 2021.
  2. ^ a b Julian Finn (2016). "Chtenopteryx sicula (Vérany, 1851)". World Register of Marine Species. Flanders Marine Institute. Retrieved 25 February 2018.
  3. ^ Current Classification of Recent Cephalopoda Archived December 10, 2006, at the Wayback Machine

Further reading[edit]

  • Naef, A. 1921–23. Cephalopoda. Fauna e Flora de Golfo di Napoli. Monograph, no. 35.

External links[edit]

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