Sinployea decorticata

Sinployea decorticata
	Drawing of the shell of Sinployea decorticata.
Conservation status
	; Extinct (IUCN 2.3)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Charopidae
Genus:	Sinployea
Species:	†S. decorticata
Binomial name
	†Sinployea decorticata; (Garrett, 1872)
Synonyms
	Pitys decorticata Garrett, 1872;

Last updated October 25, 2024

Sinployea decorticata a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Charopidae. This species was endemic to the Cook Islands; it is now extinct.

Shell description

Sinployea decorticata was originally discovered and described under the name Pitys decorticata by American naturalist Andrew Garrett in 1872.^[2]

Garrett's original text (the type description) reads as follows:

Shell subdiscoid, openly umbilicate, thin, subpellucid, cinereous, under a brownish horn-colored epidermis, adults decorticated, rarely with radiating dashes of reddish brown, arcuately ribbed, ribs lamellar, regular, rather closely set, continued on the base, interstices very finely striated; spire flatly convex; suture channeled; whorls 5, convex, slowly increasing, last one convexly declivous above, rounded beneath, obsoletely angular on the periphery; umbilicus deep, exposing the whorls, about a fourth the diameter of the shell; aperture oblique, orbicular luniform; peristome thin, simple; parietal region very thinly callosed.

The width of the shell is 4 mm. The height of the shell is 2 mm.^[2]

Type specimen are stored in the collection of Academy of Natural Sciences in Philadelphia.^[2]

Distribution

Type locality is Rarotonga Island, Cook Islands.^[2]

Habitat

Andrew Garrett commented on the habitat of this land snail, saying it was, "a common species found on the ground in a mountain ravine".^[2]

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References

This article incorporates public domain text from reference.^[2]

↑ Seddon, M.B.; Solem, A. (1996). "Sinployea decorticata". IUCN Red List of Threatened Species . 1996: e.T20258A9181905. doi: 10.2305/IUCN.UK.1996.RLTS.T20258A9181905.en . Retrieved 16 November 2021.
1 2 3 4 5 6 7 Garrett A. J. (1872) "Descriptions of new species of land and freshwater shells". American Journal of Conchology 7(4): 219-230. Pitys decorticata is on the page 228, plate 19, figure 19.