original description
Forbes, E. (1850). Figures and descriptions illustrative of British Organic Remains, Decade III. <em>Memoires of the Gological Survey of the United Kingdom.</em> , available online at https://www.biodiversitylibrary.org/page/45185331
page(s): pl. 5: figs 1-4 and 4 pp. explanation [details]
status source
Smith, A.B. (2016). British Jurassic Regular Echinoids. <em>Monograph of the Palaeontographical Society.</em> 170 (646): 69-176, pls 42-82.
page(s): 122-123; text-fig. 27J, K; pl. 65: figs 1-5 [details]
From editor or global species database