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Taxon profile

species

Pseudonebularia maesta (Reeve, 1845)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Mitridae - Miters »  genus Pseudonebularia

Scientific synonyms

Mitra maesta L. A. Reeve, 1845

Images

Pseudonebularia maesta

Author: Cernohorsky, W.O.

Pseudonebularia maesta

Author: Marrow, M.P.

Taxon in country check-lists*

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Description

Shell up to 21.0 mm (about 0,75 inches) in length, only moderately solid, sutures very narrowly channeled and smooth. Whorls 8-9, apart from the protoconch, spire whorls convex and distinctly angulate and tabulated at the sutures; postnuclear whorls sculptured with 3 flat spiral cords and axially striate grooves, axial striae becoming obsolete on the last 3 whorls and the cords become less elevated. On the last 2 whorls, the spiral grooves are narrow and deeply incised and produce flat cords, which number from 1-4 on the penultimate and up to 16 on the body whorl; the cords sometimes become obsolete on the centre of the last 2 whorls, but in all specimens there is at least 1 or 2 sutural spiral cords which are prominent and more elevated. The aperture is slightly shorter or longer than the spire, narrow and smooth within, outer lip only moderately thickened, constricted anteriorly, and with small, weak, scalloped denticles at the margin; the columella is prominently calloused, callus becoming detached and margined anteriorly, columella with 3-4 oblique folds. Siphonal fasciole short, straight and corded, siphonal notch weak. Tan to brown in colour,spire whorls occasionally paler than the body whorl, tip of spire and siphonal fasciole occasionally darker brown; some individuals have 1-2 paler bands on the body whorl. Aperture and columella light brown, columellar folds paler in colour. Length 21.0 , Width 7.4; Height of Aperture 9.9 mm
Cernohorsky, W.O., 1976. The Mitridae of the World. Part I. Mitrinae.

Distribution

Range: Andaman Islands to the Admiralty Islands in Melanesia. A rare, sublittoral species which has a comparatively restricted distribution. On coral sand and mud, from 10 to 20 fathoms.
Cernohorsky, W.O., 1976. The Mitridae of the World. Part I. Mitrinae.
Author: Jan Delsing

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Mitra maesta Reeve, 1845]
Data retrieved on: 23 November 2013

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