FIGURE 35 in The diplacanthid fishes (Acanthodii, Diplacanthiformes, Diplacanthidae) from the Middle Devonian of Scotland

FIGURE 35. Rhadinacanthus longispinus, scanning electron micrographs of scales. 1–4, scales slide NMS G.1892.8.17.1 from Gamrie, Banffshire: 1, 2, crown view of patch of articulated scales, and closeup of scale; 3, lateral view; 4, anterior view. 5–7, scales slide NMS G.1870.14.143.1 from Gamrie, Banffshire: 5, laterocrown view; 6, lateral view; 7, scales from each side of body, stuck together base to base, in posterior view. 8–12, scales slide NMS G.1892.8.15.1 from Gamrie, Banffshire: 8, crown view; 9, crown view; 10, basal view; 11, lateral view; 12, anterior view. Scale bars equal 0.3 mm. White adhesions on scale bases are pyrite crystals. Arrows indicate anterior.