| P number: | P521147 |
|---|---|
| Caption: | A fossil specimen of Torquigraptus linterni sp. nov. A fossil graptolite. (Graptolithina). Pot Burn, Ettrick Valley, Southern Uplands, Selkirkshire, Scotland. |
| Description: | Torquigraptus linterni sp. nov. is an Ordovician graptolite from the Birkhill Shales, Moffat Shale Group. British Geological Survey Biostratigraphy Collection number GSE 15158. The specimen has a coiled uniserial rhabdosome. The type area of the Birkhill Shales is the famous Dobb's Linn near Birkhill Cottage at the head of Moffat Water. The Birkhill Shales is a series of black graptolitic mudstones found in bands between 0.1 and 0.3 metres thick overlain by alternations of black and grey mudstones. It is famous for its graptolite fauna. Graptolites are of value in geology as stratigraphic indicators and the sequence of graptolite faunas has been used for the subdivision of the Ordovician and the Silurian rocks since the time of Charles Lapworth. |
| Date taken: | 01/01/2003 |
| Photographer: | Unknown |
| Copyright statement: | NERC |
| Orientation: | Landscape |
| Size: | 291.55 KB; 1000 x 665 pixels; 85 x 56 mm (print at 300 DPI); 265 x 176 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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