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Epitonium babylonia (Dall, 1889)

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Vědecká synonyma

Epitonium babylonium W. H. Dall, 1889

Obrázky

Epitonium babylonia

Autor: Daccarett, E.Y. & Rossio, V.S.

Epitonium babylonia

Autor: Dall, W.H.
EN  

Popis

Shell thin, white, elongate, with fifteen rounded whorls (nucleus lost) each ornamented with about twenty-five thin sharp varices each of which has a small triangular sharp point half-way from the suture to the periphery; behind these the interspaces are smooth to the suture; in front of the varical points the surface is sculptured with raised flat-topped threads with wider intervals between them and numerous still finer spiral striae; the spiral sculpture does not crenulate the varices; shell imperforate, without basal disk or cordon; aperture small, lip thin, narrow, hardly reflected, tortuous and a little patulous at the anterior end of the. axis; suture very deep. Lon. 30.0 mm, max. lat. 6.5 mm.
Source: Dall, 1889. Reports on the results of dredgings, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1879-80), by the U. S. Coast Survey Steamer 'Blake'. (Original description)
Epitonium babylonium: Shell thin, white, elongate, with fifteen rounded whorls (nucleus lost), each ornamented with about twenty-five thin sharp varices, each of which has a small triangular sharp point half-way from the suture to the periphery; behind these the interspaces are smooth to the suture; in front of the varical points the surface is sculptured with raised flat-topped threads with wider intervals between them and numerous still finer spiral strhe; the spiral sculpture does not crenulate the varices; shell imperforate, without basal disk or cordon ; aperture small; lip thin, narrow, hardly reflected, tortuous, and a little patulous at the anterior end of the axis; suture very deep. Longitude, 30; maximum latitude, 6.5mm.
Dall, W.H. 1990. Scientific results of explorations by the U. S. Fish Commission Steamer “Albatross”. No. VII. Preliminary report on the collection of Mollusca and Brachiopoda obtained in 1887–88.

Možné záměny

The specimen procured was fresh, but without the soft parts. This beautiful species somewhat resembles Verrills figure of E. dalliana, but is longer, much more cylindrical, and has strong spiral sculpture which is wanting in that species. The upper fourth of E. babylonia, which would about correspond in size to E. dalliana, has the costae more sparse, thin and erect, the whorls much rounder, and the suture much deeper than in that species. None of the other species described from deep water are much like it.
Epitonium babylonium: The specimen procured was fresh, but without the soft parts. This beautiful species somewhat resembles Verrill's figure of E dalliana, but is longer, much more cylindrical, and has strong spiral sculpture which is wanting in that species. The upper fourth of E. babylonia, which would about correspond in size to E. dalliana, has the costae more sparse, thin and erect, the whorls much rounder, and the suture much deeper than in that species. None of the other species described from deep water are much like it.
Dall, W.H. 1990. Scientific results of explorations by the U. S. Fish Commission Steamer “Albatross”. No. VII. Preliminary report on the collection of Mollusca and Brachiopoda obtained in 1887–88.

Rozšíření

Caribic. Brazil.
Epitonium babylonium: USA, NORTH CAROLINA, off Cape Fear, in 731 fathoms. Caribbic area.

Odkazy a literatura

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Epitonium babylonia Dall, 1889]
Datum citace: 23. listopad 2013

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