Jenkins, H.M. 1865. Strata identified by organic remains. Quart. J. Sci. 2: 622-630. Available electronically.
McCoy, 1861. Cat. Victor. Exhib.: 170. [nomen nudum]
McCoy, 1862. Ann. Mag. Nat. Hist. 9: 147. [nomen nudum]
‘McCoy MS’ Jenkins, 1865. Quart. J. Sci. 2: 630, fig. 6 [as ‘semi undulata’].
McCoy, 1866. Geol. Mag. 3: ??.