Plectostylus elegans
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Ordo: Pulmonata
Familia: Bothriembryontidae
Genus: Plectostylus
Name
Plectostylus elegans (Pfeiffer, 1842) – Wikispecies link – Pensoft Profile
- Succinea elegans Pfeiffer, 1842: 56; Pfeiffer 1852: 187. Bulimus elegans: Hupé in Gay 1854: 104, pl. 3, fig. 2. Bulimulus coquimbensis Var. elegans: Pilsbry 1897[1]: 11, pl. 8, figs 18–22. Plectostylus coquimbensis perelegans: Breure 1978[2]: 201, pl. 9, fig. 14. Plectostylus elegans: Breure 1979[3]: 9; Stuardo and Vega 1985[4]: 136; Valdovinos and Stuardo 1988[5]: 129, figs 86–88. Pl. 3, figs 34–36. Plectostylus perelegans: Valdovinos 1999[6]: 151; Neubert and Janssen 2004[7]: 222, Taf. 13, fig. 159; Plectostylus broderipii: Breure and Ablett 2012[8]: 34, figs 5E–F, 5ii. (syn. n).
Material examined
Barranquilla beach (27°21'29"S, 70°20'24"W), Commune of Caldera, RCG (unnumbered), 5 specimens. Aguas verdes (26°52'S, 70°48'W), Commune of Caldera, 3 specimens. MZUC 39619 (lot).
Diagnosis
Shells thin, elongate-globose, with convex and slightly shouldered whorls, decorated with axial greyish, and brownish-reddish, streaks. Last whorl very ample, lip simple, periostracum shiny and transparent.
Distribution and remarks
Huasco (28°20'S, 71°15'W) (Valdovinos and Stuardo 1988[5]). The specimens here studied constitute the northernmost record for this species. Breure and Ablett (2012)[8] synonymized this species as Plectostylus broderipii. However, the shells here examined were much lighter, thinner and broader than Plectostylus broderipii. Shell patterns, which are contained in the thin outer shell layer, can easily differenciate Plectostylus elegans from Plectostylus broderipii in having axially marked reddish-brown lines, even in juvenile specimens. Only extensive comparative anatomy, including soft parts as well as shell morphology, would certainly help to establish its true identity.
Taxon Treatment
- Araya, J; Catalán, R; 2014: A review of the non-bulimulid terrestrial Mollusca from the Region of Atacama, northern Chile ZooKeys, 398: 33-51. doi
Other References
- ↑ Pilsbry H (1897–1898) Manual of Conchology: American Bulimulidae: Bulimulus, Neopetraeus, Oxychona and South American Drymaeus. Academy of Natural Sciences of Philadelphia, Conchological Section. Second Series: Pulmonata. Vol. 11. 339 pp. 51 pl.
- ↑ Breure A (1978) Notes on and descriptions of Bulimulidae (Mollusca, Gastropoda). Zoologische Verhandelingen 164: 1-255.
- ↑ Breure A (1979) Systematics, phylogeny and zoogeography of Bulimulinae (Mollusca). Zoologische Verhandelingen 168: 1-215.
- ↑ Stuardo J, Vega R (1985) Synopsis of the land Mollusca of Chile. With remarks on distribution. Studies on Neotropical Fauna 20(3): 125-146. doi: 10.1080/01650528509360682
- ↑ 5.0 5.1 Valdovinos C, Stuardo J (1988) Morfología, sistemática y distribución del género Plectostylus Beck 1837 (Pulmonata: Bulimulidae). Gayana Zoología 52(1): 115-195.
- ↑ Valdovinos C (1999) Biodiversidad de moluscos chilenos: Base de datos taxonómica y distribucional. Gayana Zoología 63(2): 111-164.
- ↑ Neubert E, Janssen R (2004) Die Typen und Typoide des Natur-Museums Senckenberg, 84: Mollusca: Gastropoda: Pulmonata: Orthalicoidea: Bulimulidae (2), Orthalicidae, Placostylidae. Archiv für Molluskenkunde 133: 193-297.
- ↑ 8.0 8.1 Breure A, Ablett J (2012) Annotated type catalogue of the Bothriembryontidae and Odontostomidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 182: 1-70. doi: 10.3897/zookeys.182.2720
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