References
- Ann. & Mag. Nat. Hist. ser. 3 , xv 404 – 404 .
- Leonhard und Bronn's Jahrbuch für Mineralogie 1830 60 70 &c. Jahrg.
- Ann. & Mag. Nat. Hist. ser. 3 , xviii 32 – 32 .
- Trans. Geol. Soc. Glasgow , ii 213 – 213 .
- Geol. Mag. , vii 214 – 214 .
- Ann. & Mag. Nat. Hist. ser. 4 , xv 52 – 52 .
- Young , John and Armstrong , James . List of Carbon. Fossils of West of Scotland , 27 – 27 .
- See Monogr. Fossil Estheriœ Pal. Soc. 1863 48 48 49