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Taxon profile

species

Etrema orirufa Ch. Hedley, 1922

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Clathurellidae »  genus Etrema

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Etrema orirufa

Author: Hedley

Taxon in country check-lists*

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Description

Shell small, rather solid, lanceolate, contracted at sutures, and excavate at the base. Colour uniform pale cinnamon, protoconch white, interior of aperture rufous to orange-buff. Whorls seven, including the protoconch. Sculpture: the ribs are prominent, round-backed, parted by hollow interstices, continuing obliquely up the spire, gradually vanishing on the base, and set nine to a whorl; ten main spiral cords encircle the body whorl, of which three ascend to the antepenultimate; these ride high over the ribs and bridge the interstices; a minute thread is intercalated between the wider spirals ; these spirals are beset with sharp close grains, which give a harsh touch to the shell. Aperture oblong, rather narrow, protected by a prominent and massive varix; sinus a slight insinuation; canal short and broad; within the outer lip are five denticules, and two obscure folds cross the inner lip. Length 6 mm., breadth 2,5 mm.
Hedley, C., 1922; A revision of the Australian Turridae

Distribution

Australia. Queensland 5 fathoms, Van Diemens Inlet, Gulf of Carpentaria (type); 10 fathoms, Cape Sidmouth ; Cairns.
Hedley, C., 1922; A revision of the Australian Turridae
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 Etrema orirufa Hedley, 1922]
Data retrieved on: 23 November 2013

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