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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Map of the localities where Arlesminthurus caatinguensis sp. nov. and Calvatomina gladiata sp. nov. were found in northeastern Brazil; stars represent the type localities and the circle an additional locality for the first species.