References
- Agassiz , L. 1845 . Poiss. Foss. V. G. R. , : 104 – 104 . pl. B, figs. 5, 6, pl. xxvii. figs. 2–4.
- Woodward , A. S. 1894 . The Problem of the Primæval Sharks . Nat. Science , vi : 38 – 38 . fig. 1.
- Traquair , R. H. 1894 . On Psammosteus taylori, a new Fossil Fish from the Upper Old Red Sandstone of Morayshire . Ann. Scott. Nat. Hist. , iii : 225 – 225 . with fig.; also “The Extinct Vertebrata of the Moray Firth Area,” in Brown and Buckley's Vert. Fauna Moray Basin, (1896) p. 260, pl. vi. figs. 1–3.
- Traquair , R. H. 1897 . Additional Notes on the Fossil Fishes of the Upper Old Red Sandstone of the Moray Firth Area . Proc. Roy. Phys. Soc. Edinb. , xiii : 378 – 378 . pl. xi. fig. 5.
- Traquair , R. H. 1899 . Report on Fossil Fishes .... from the Silurian Rocks of the South of Scotland . Trans. Roy. Soc. Edinb. , xxxix : 848 – 848 .
- Woodward , A. S. 1891 . Catal. Foss. Fishes Brit. Mus. , : 126 – 126 . pt. ii