P521042

Uploaded on:
11/03/2009 02:44:35
Type:
Digital Asset
File Size:
400.75 KB
Dimensions:
1000 x 663 pixels
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P number: P521042
Caption: A fossil specimen of Lima concentrica J. de C. Sowerby. A fossil bivalve. (Mollusca, Bivalvia.) Shore north-east of Sron Rudha na Gaoithe, Wester Garty, Sutherland, Scotland.
Description: The genus Lima belongs to the family Limidae and superfamily Limacea. It has an inequilateral, oblique equivalve shell. The shell is higher than it is longer and with a short hinge line. The hinge is edentulous, i.e. lacking in teeth or has weak denticles near the end of the hinge margin. It has fine radial ornamentation and concentric growth lines. British Geological Survey Biostratigraphy Collection number GSE 3592. Lima is a byssally attached genus that can also swim by valve clapping. This specimen of Lima concentrica was found in the Upper Jurassic Lower Kimmeridgian at Wester Garty north-east from Brora. The greater part of the Kimmeridgian strata of East Sutherland consists of thinly-bedded bituminous shales with ammonites and other fauna with interbedded boulder beds and represent a shallow water facies.
Date taken: 01/01/2003
Photographer: Unknown
Copyright statement: NERC
Orientation: Landscape
Size: 400.75 KB; 1000 x 663 pixels; 85 x 56 mm (print at 300 DPI); 265 x 175 mm (screen at 96 DPI);
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Categories: Best of BGS Images/ Fossils  

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