C. H. Hitchcock. 1865. Appendix [B]. Descriptive catalogue of the specimens in the Hitchcock Ichnological Cabinet of Amherst College. Supplement to the Ichnology of New England. A Report to the Government of Massachusetts in 1863
J. Deane. 1861. A memoir upon the fossil footprints and other impressions of the Connecticut River sandstone. Ichnographs from the Sandstone of Connecticut River
E. Hitchcock. 1858. Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts
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