L.
A.
Knox
Lower Ordovician (Ibexian) Trilobites from the Tribes Hill Formation, Central Mohawk Valley, New York State. Canadian Journal of Earth Sciences 30, 1618-1633.
, 1993. Conodonts, Stratigraphy, and Relative Sea-Level Changes of the Tribes Hill Formation (Lower Ordovician, East-Central New York). Journal of Paleontology 70, 656-680.
, 1996.