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P521031

Uploaded on:
11/03/2009 02:41:11
Type:
Digital Asset
File Size:
145.90 KB
Dimensions:
665 x 1000 pixels
3790 views 4 downloads
P number: P521031
Caption: A fossil specimen of Ludwigia umbilicata S.S. Buckman. A fossil ammonite. (Mollusca, Cephalopoda, Ammonoidea.) South shore Bearreraig Bay, south of the River, Skye, Invernessshire (Skye), Scotland.
Description: Belonging to the Superfamily Hildocerataceae, the genus Ludwigia is characterized by fairly stout forms with a moderately wide umbilicus, the depression caused by the last complete whorl of the shell. British Geological Survey Biostratigraphy Collection number GSE 3057. An Upper Jurassic form from the Inferior Oolite, murchisonae zone of Skye. The Ludwigian fauna preceded the later Sonninian fauna. The Inferior Oolite is well developed in the Hebridean region and is very similar to that in England. It attains a maximum thickness in Skye (375 feet) and Raasay (600 feet) and represents a period of marine incursion of a warm sea.
Date taken: 01/01/2003
Photographer: Unknown
Copyright statement: NERC
Orientation: Portrait
Size: 145.90 KB; 665 x 1000 pixels; 56 x 85 mm (print at 300 DPI); 176 x 265 mm (screen at 96 DPI);
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Categories: Best of BGS Images/ Fossils  

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