"Lujan et al. (2018)" . "2018"^^ . . "2018"^^ . "Lujan et al. (2018)" . "Lujan, N.-K., Armbruster J.-W. & Lovejoy N.-R. 2018. Multilocus phylogeny, diagnosis and generic revision of the Guiana Shield endemic suckermouth armoured catfish tribe Lithoxini (Loricariidae: Hypostominae). Zoological Journal of the Linnean Society, XX: 1-18." . . .