Wright, Thomas. A Monograph on the British fossil Echinodermata from the Oolitic formations / T. Wright. – London : [s. n.], 1856. – (The Monographies of the Paleontographical society) . Книга 131 14895
[Vol.1 : Echinoidea]. P.4: The Echinolampidae; The stratigraphical distribution of the Oolitic species ... – 1860. – P.391-468 : tab.37-43.