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Taxon profile

species

Emarginula curvata M.M. Schepman, 1908

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Lepetellida »  family Fissurellidae - Keyhole Limpets »  genus Emarginula

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Emarginula curvata

Author: Poppe & Tagaro

Emarginula curvata

Author: Schepman, M.

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Description

Shell very elongated, oval, capuliform, front slope very convex, side slopes moderately convex, posterior slope very short, nearly straight, excavated below the apex, which if seen from above, surpasses the posterior margin. Colour white (brownish in two small specimens). Sculpture consisting of about 46 rather strong, radiating ribs, a weaker one in most of the interstices and very fine intermediate ones; they are crossed by comparatively strong, concentric ridges, forming short, solid scales on the ribs. Slit-fasciole moderately large and deep, crossed by close-set lamellae. Margin conspicuously crenulated by the ribs, raised at the sides, slit long 4, large nearly 0,5 mm., its margin thickened interiorly, a large, depressed rib runs towards the deeply pitted apex. Interior smooth, white, the external sculpture visible through the shell. Length of base 9,75 mm, of shell with apex 10,5 mm., lat. 6,5 mm, alt. 5,5 mm.
Schepman, 1908. The prosobranchia of the Siboga expedition. Part I: Rhipidoglossa and Docoglossa. (Original description)

Distribution

A Philippine species. We found two more shells in recent years: Both from Mactan Island, respectively 400 and 500 m deep. A Schepman species and as such well drawn and figured. Described from the "Sulu Archipelago", 522 m deep. 6.7 to 8.5 mm.
Poppe G.T. & Tagaro S.P. (2020). The Fissurellidae from the Philippines with the description of 26 new species.
Author: Jan Delsing

Similar species

Emarginula natalensis K.H. Barnard, 1963

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Emarginula curvata Schepman, 1908]
Data retrieved on: 22 November 2013

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