MCADAMS, N. E. B.; ADRAIN, J. M. Revision of the Lower Ordovician (lower Floian; Tulean) pliomerid trilobite Protopliomerella, with new species from the Great Basin, western USA. Zootaxa, Auckland, New Zealand, v. 3144, n. 1, p. 1–113, 2011. DOI: 10.11646/zootaxa.3144.1.1. Disponível em: https://mapress.com/zt/article/view/zootaxa.3144.1.1. Acesso em: 3 apr. 2025.