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11/03/2009 02:33:12
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P number: P521009
Caption: A fossil specimen of Metarnioceras aff. subpellati Spath. A fossil ammonite. (Mollusca, Cephalopoda, Ammonoidea.) Broadford, Skye, Sutherland, Scotland.
Description: Belonging to the Family Arietitidae and Subfamily Arnioceratinae, Metarnioceras is from the Lower Jurassic, Lower Lias, upper bucklandi zone and was found in Broadford, Skye. British Geological Survey Biostratigraphy Collection number GSE 4816. Throughout the Jurassic there was a continual influx of new ammonite types and the dying out of old ones, this allowed the period to be subdivided into a series of ages defined by the succession of forms. Each age is characterized by the dominance of one or more families. The Psiloceratids preceded the Areietids and the latter were followed by the Echioceratids and Deroceratids.
Date taken: 01/01/2003
Photographer: Unknown
Copyright statement: NERC
Orientation: Portrait
Size: 175.14 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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