P. E. Olsen. 1975. The microstratigraphy of the Roseland Quarry (Early Jurassic, Newark Supergroup, New Jersey). Open File Report
R. S. Lull. 1953. Triassic life of the Connecticut Valley (revised). State of Connecticut State Geological and Natural History Survey Bulletin 81:1-336
C. H. Hitchcock. 1889. Recent progress in ichnology. Proceedings of the Boston Society of Natural History 24(8):117-127