H. usitatus, Taxa Only, Exact Match: 2 Treatments

Hexanchorus usitatus			Pérez-Hernández, Cisteil Xinum, 2017, An annotated catalogue of the Coleoptera types deposited in the National Insect Collection (CNIN) of the National Autonomous University of Mexico, Zootaxa 4288 (1), pp. 1-128 : 46	46
Hexanchorus usitatus			Luna-Luna, Alba Magali, Martins, Caleb Califre, Lopez-Perez, Andres, Ramirez-Ponce, Andres & Contreras-Ramos, Atilano, 2022, Aquatic beetle diversity from Volcan Tacana, Mexico: altitudinal distribution pattern and biogeographical affinity of the fauna, ZooKeys 1111, pp. 301-338 : 301	301