| Administrative History | Original specimen found by Mr Peach [?Charles William Peach] in a quarry of the Old Red Schist belonging to the Earl of Caithness, near Barragill. |
| Publication Note | Lithographic version of drawing with description of fossil published in 'Memoirs of the Geological Survey...illustrative of British Organic Remains', Decade X'. London: Longman, Green, Longman and Roberts (1861), p57, plate 6, fig 2. |