Conus velatus (Cossman, 1889)

Descrizione e caratteristiche:

Sehll smooth, oblong, turbinate, somewhat produced at the base, where it presents traces of transverse sulcation: spire conical, slightly elevated, barely exceeding in height a third part of the whole length of the shell : whorls narrow, angulated, and smooth round the shoulders ; the posterior margins much depressed, very slightly concave, and presenting four or five rather coarse, raised, concentric lines, which are crossed and decussated by prominent, curved, wrinkle-like elevations, corresponding with the curvature in the outer lip ; the edge is thickened, and presents a raised border round the suture, plicated by the extension of the marginal wrinkles over the surface. The aperture is narrow ; the outer lip much arched, and sparated from the suture by a wide, moderately deep curvature. The surface of the shell is much eroded, and the lines of growth are consequently more conspicuous than is usually the case ; these, with the decussated lines on the spire, " give the shell," Mr. Sowerby says, " the appearance of having been enclosed in a net or net-veil ; whence the name." ⁽¹⁾

The specimen from which the figure is taken, and on which the species was founded, forms part of Mr. Bowerbank's collection, and is, I believe, unique. In the general character the shell resembles C. deperditus ; but the more elevated posterior margins, the thickened and plicated edges of the whorls in the present species, apparently justify the separation ⁽¹⁾.

Size. — Axis, 1 inch and 4-12ths; diameter, 5-12ths of an inch ⁽¹⁾.

Locality. — Bracklesham Bay ⁽¹⁾.

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Conus velatus ⁽¹⁾

Tav. XXIV fig. 12

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Bibliografia Consultata

• (1) - A monograph of the Eocene Mollusca : descriptions of shells from the older Tertiaries of England

· (2) - Sowerby, J. de C., 1841. Mineral Conchology of Great Britain , or, Coloured figures and descriptions of those remains of testaceous animals or shells which have been preserved at various times and depths in the earth. Mineral Conchology of Great Britain, or, Coloured figures and descriptions of those remains of testaceous animals or shells which have been preserved at various times and depths in the earth, 7.