Hall, J. (1885). Palaeontology, vol. v, Part I, Lamellibranchiata II, text and plates. Containing descriptions and figures of the Dimyaria of the Upper Helderberg, Hamilton, Portage and Chemung groups. Geological Survey of the State of New York, Albany.
447264
Hall, J.
1885
Palaeontology, vol. v, Part I, Lamellibranchiata II, text and plates. Containing descriptions and figures of the Dimyaria of the Upper Helderberg, Hamilton, Portage and Chemung groups
Geological Survey of the State of New York, Albany