Gyrinus crassus, Taxa Only, Exact Match: 2 Treatments

Gyrinus (Neogyrinus) crassus			Colpani, Daniara, Benetti, Cesar João & Hamada, Neusa, 2014, A Checklist of the Gyrinidae (Coleoptera: Adephaga) of Brazil, Zootaxa 3889 (2), pp. 185-213 : 188	188
Gyrinus (Neogyrinus) crassus			Gustafson, Grey T. & Short, Andrew E. Z., 2017, Review of the whirligig beetle genus Gyrinus of Venezuela (Coleoptera: Gyrinidae), Acta Entomologica Musei Nationalis Pragae 57 (2), pp. 479-520 : 518	518