1 literature reference for Etheostoma segrex Norris & Minckley, 1997:

Author: Norris, S.M. and W.L. Minckley
Year: 1997
Title: Two new species of Etheostoma (Osteichthyes: Percidae) from Central Coahuila, Northern Mexico.
Source: Ichthyol. Explor. Freshwat. 8(2):159-176.