References
- 1926 . P. Z. S. , : 537 – 549 . pt. ii
- Watson , D. M. S. 1919 . The Structure, Evolution and Origin of the Amphibia: The ‘Orders’ Rachitomi and Stereospondyli . Phil. Trans. Royal Soc. ser. B , ccix “The Evolution and Origin of the Amphibia,” ibid. B, vol. ccxiv. (1926).
- 1921 . Geol. Mag. , lviii : 73 – 73 .
- Moodie , R. L. 1916 . The Coal Measures Amphibia of North America . Carnegie Institute Publications , : 51 – 66 .
- 1926 . P. Z. S. , : 543 – 543 . pt. ii.& 571
- 1926 . P. Z. S. , : 543 – 543 . pt. ii
- Gadow , H. 1896 . Phil. Trans. Roy. Soc. ser. B , clxxxvii : 17 – 17 .
- For a revision of this species, see P. Z. S. 1926 537 537 pt. ii
- 1928 . Ann. & Mag. Nat. Hist. ser. 10 , i : 250 – 250 .