References
- 1893 . On the Genera Calophyllum and Campophyllum . Proc. Roy. Irish Acad. ser. 3 , ii : 667 – 667 .
- 1924 . Quart. Journ. Geol. Soc. , lxxx : 389 – 389 .
- Carruthers (in Lee G. W. A Carboniferous Fauna from Nowaja Semlja Trans. Roy. Soc. Edinburgh 1909 xlvii 149 150
- Lewis . 1929 . Ann. & Mag. Nat. Hist. ser. 10 , iii : 461 – 461 .
- Edmonds , C. 1922 . The Carboniferous Limestone Series of West Cumberland . Geol. Mag. , lix : 125 – 127 .
- Thomson , J. 1893 . The Carboniferous Limestone Series of West Cumberland . Geol. Mag. , lix : 722 – 722 .
- Craig , R. 1869 . Sketch of the Carboniferous Basin of Dalry, Ayrshire . Trans. Geol. Soc. Glasgow , iii : 273 – 274 . and “On the First Appearance of certain Fossils in the Carboniferous Strata around Beith and Dalry,” ibid. vol. v. pp. 36–44 (1875).
- Ritchie , J.E. 1925 . Econ. Geol. of the Ayrshire Coalfield . Area I, Mem. Geol. Surv. Scotland , : 10 – 12 . in
- 1930 . Geology of North Ayrshire , 2nd edit. 242 – 242 . Mem. Geol. Surv. Scotland