MCADAMS, N. E.; ADRAIN, J. M.; KARIM, T. S.

The pliomerid trilobite Ibexaspis and related new genera, with species from the Early Ordovician (Floian; Tulean, Blackhillsian) of the Great Basin, western USA

. Zootaxa, Auckland, New Zealand, v. 4525, n. 1, p. 1–152, 2018. DOI: 10.11646/zootaxa.4525.1.1. Disponível em: https://mapress.com/zt/article/view/zootaxa.4525.1.1. Acesso em: 18 jun. 2025.