Template:Duncan & Sladen, 1889
- Duncan P.M. & Sladen, P. 1889. On the Echinoidea of the Mergui Archipelago collected for the Trustees of the Indian Museum, Calcutta, by dr. John Anderson, F.R.S., Superintendent of the Museum. Journal of the Linnean Society of London, Zoology 21: 316–319. BHL
- Date of publication: 24 October 1886