E. Hitchcock. 1837. Fossil footsteps in sandstone and graywacke. The American Journal of Sciences and Arts 32:174-176
Bibliographie (4)
R. S. Lull. 1915. Triassic life of the Connecticut Valley. State of Connecticut State Geological and Natural History Survey Bulletin 24:1-285
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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
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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E. Hitchcock. 1841. Final Report on the Geology of Massachusetts
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