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Nebularia acuminata (Swainson, 1824)

říše Animalia - živočichové »  kmen Mollusca - měkkýši »  třída Gastropoda - plži »  řád Neogastropoda »  čeleď Mitridae - čepicovkovití »  rod Nebularia

Vědecká synonyma

Mitra acuminata W. A. Swainson, 1824

Obrázky

Nebularia acuminata

Autor: Robin, A. & Martin, J-C.

Nebularia acuminata

Autor: Cernohorsky, W.O.
EN  

Popis

as Strigatella acuminata:
Shell up to 35 mm (about 1,5 inches) in length, elongate-ovate, solid, body whorl inflated, spire concave and acuminate, su¬tures distinct, smooth and narrowly incised. Whorls 7-9, apart from a smooth white protoconch, first 2-3 post-nuclear whorls with spiral threads which change to smooth, fine and shallow spiral grooves on later whorls, and number from 10-17 on the penultimate and up to 40 on the body whorl; in some individuals the spiral grooves are confined to the shoulder of the body whorl, the centre is smooth and the base has up to 11 oblique spiral cords. Aperture longer than the spire, narrow but widening anteriorly, smooth within; margin of outer lip smooth, prominently thickened, interior callus distinct but blunt and elongated; columella not calloused and only glazed, and with 4-5oblique folds, siphonal canal pointed, straight, siphonal notch prominent. Uniformly yellow, pale orange or orange-tan in colour, some individuals with a broad and pale central band on the body whorl; aperture white, occasionally flushed with rose or yellow near the margin, columella white. Periostracum thin, brown and longitudinally finely striate.
Cernohorsky, W.O., 1976. The Mitridae of the World. Part I. Mitrinae.

Možné záměny

The species is similar to Strigatella fastigium Reeve, but has a longer, more concave and acuminate spire, smooth sutures and a yellow to orange colour.
Cernohorsky, W.O., 1976. The Mitridae of the World. Part I. Mitrinae.

Rozšíření

East Africa to Polynesia and the Hawaiian Islands. On reefs, under rocks, coral and coral-rubble, in the intertidal zone.
Cernohorsky, W.O., 1976. The Mitridae of the World. Part I. Mitrinae.

Možné záměny

Nebularia fastigium (Reeve, 1845)

Odkazy a literatura

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Mitra acuminata Swainson, 1824]
Datum citace: 23. listopad 2013

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