Stylocheilus
{{Short description|Genus of gastropods}}
{{Automatic taxobox
| image = Stylocheilus striatus.JPG
| image_caption = Stylocheilus striatus
| taxon = Stylocheilus
| authority = Gould, 1852Gould A. (1852). "Mollusca and Shells". In: Wilkes Ch., United States Exploring Expeditions, 1838, 1839, 1840, 1841, 1842 under the command of Charles Wilkes, U.S.N.. Philadelphia, C. Sherman & son, 12: [http://www.sil.si.edu/DigitalCollections/usexex/navigation/ScientificText/usexex19_17select.cfm pages 224]-225.
| type_species= Aplysia longicauda Quoy & Gaimard, 1825
}}
Stylocheilus is a genus of sea slugs, specifically sea hares, marine opisthobranch gastropod mollusks in the family Aplysiidae, the sea hares.MolluscaBase eds. (2021). [http://www.molluscabase.org/aphia.php?p=taxdetails&id=203969 MolluscaBase. Stylocheilus Gould, 1852.] Accessed on 2021-01-27.Bazzicalupo, E.; Crocetta, F.; Gosliner, T. M.; Berteaux-Lecellier, V.; Camacho-García, Y. E.; Chandran, B. K. S.; Valdés, Á. (2020). [https://doi.org/10.1071/is19056 Molecular and morphological systematics of Bursatella leachii de Blainville, 1817 and Stylocheilus striatus Quoy & Gaimard, 1832 reveal cryptic diversity in pantropically distributed taxa (Mollusca : Gastropoda : Heterobranchia).] Invertebrate Systematics. 34: 535-568.
According to some authors this genus belongs in the family Dolabriferidae.
Species
Species in the genus Stylocheilus include:
- Stylocheilus polyomma (Mörch, 1863)
- Stylocheilus rickettsi (MacFarland, 1966)
- Stylocheilus striatus Quoy & Gaimard, 1832
- Distribution : Indo-Pacific; intertidal, occurs up to 30 m depth
- Length : 65 mm
- Color : brownish, with blue spots; lined species, with dark longitudinal lines (as stated by its name striatus) and small eyespots, providing excellent camouflage.
- Description : Feeds on blue-green algae; gives off a purple ink when disturbed.
; Taxon inquirendum:
- Stylocheilus longicauda Quoy & Gaimard, 1824 - Blue-ring Sea Hare, Lemon Sea Hare (used to be called Stylocheilus citrina)
- Distribution : circumtropical, Indo-West Pacific.
- Color : bright yellow or green with bluish eyespots, no lines.
- Description : This is one of the most specialized sea hares; elongate body with a long "tail" (as stated by its name longicauda), adapted for living on floating seaweed; feeds on Mermaid's Hair, blue-green algae of species Lynghya majuscula; at times, they are abundant, with several thousands crawling in the sand, traveling in chains ("snail trail") up to 10 m long
;Species brought into synonymy:
- Stylocheilus citrinus (Rang, 1828) is a synonym of Stylocheilus longicauda (Quoy & Gaimard, 1825)
- Stylocheilus lineolatus Gould, 1852: synonym of Stylocheilus longicauda (Quoy & Gaimard, 1825)
- Stylocheilus quercinus Gould, 1852
References
{{Reflist}}
- Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda
External links
{{Commons category}}
- {{Malacologia14radula}}
- [http://www.geocities.co.jp/NatureLand-Sky/8447/021112M.htm Image of the Blue-ring Sea Hare]
- [http://www.turtles.org/special/snailtrail1990813pm.jpg 'Snail trail' of the Blue-ring Sea Hare]
- [https://web.archive.org/web/20070929034830/http://www.philippine-sea-slugs.com/ANASPIDEA/Stylocheilus_striatus_01.htm Image of Stylocheilus striatus]
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{{Authority control}}
Category:Taxa named by Augustus Addison Gould
{{Aplysiidae-stub}}