Smith & Jeffery (2000) suspected that the type and only specimen is based on the oral surface of a specimen of Eurypneustes.
Duncan, P. M. & Sladen, W. P. 1882. The fossil Echinoidea from the Ranikot Series of Nummulitic starat in western Sind. Memoirs of the Geological Survey of India, Palaeontologia Indica. Tertiary and Upper Cretaceous fossils from Western Sind, Series XIV, Vol. 1.3.
Smith, A. B. & Jeffery, C. H. 2000. Maastrichtian and Palaeocene Echinoids: a key to world faunas. Special Papers in Palaeontology 63, 1-404.