Template:Lang & Cookson, 1935
- Lang, W.H. & Cookson, I.C. 1935. On a flora, including vascular land plants, associated with Monograptus, in rocks of Silurian age, from Victoria, Australia. Philosophical Transactions of the Royal Society B: Biological Sciences 224(517): 421–449. DOI: 10.1098/rstb.1935.0004