Mcadams NEB, Adrain JM.

A new species of the Lower Ordovician pliomerid trilobite Pseudocybele and its biostratigraphic significance

. Zootaxa [Internet]. 2010 Jul. 27 [cited 2025 Apr. 3];2550(1):21–38. Available from: https://mapress.com/zt/article/view/zootaxa.2550.1.2