IRMNG taxon details
original description
Mcadams, N. E.; Adrain, J. M.; Karim, T. S. (2018). The pliomerid trilobite Ibexaspis and related new genera, with species from the Early Ordovician (Floian; Tulean, Blackhillsian) of the Great Basin, western USA. <em>Zootaxa.</em> 4525(1): 1-152., available online at https://doi.org/10.11646/zootaxa.4525.1.1 [details]
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