Duncan, P. Martin. A Monograph of the British fossil Corals. Ser. 2 / P. M. Duncan, M. B. Lond. – London : [s. n.], 1868. – (The Monographies of the Paleontographical society) . Книга 131 14900
P.2, N.2 : Corals from the Upper Greensand of Haldon, from the Gault and the lower Greensand. – 1870. – P.27-46 : tab.10-15.