Mcadams NE, Adrain JM.

Panisaspis, a new genus of pliomerid trilobites from the Lower Ordovician (Ibexian; Tulean and Blackhillsian) of the Great Basin, western USA

. Zootaxa [Internet]. 2011 Jul. 18 [cited 2025 Apr. 3];2969(1):1–68. Available from: https://mapress.com/zt/article/view/zootaxa.2969.1.1