Amphidoxa Albers, 1850 is a genus of minute charopid land snails known primarily from Chile. However, two species from southern Brazil have been allocated to it, Amphidoxa flammulata Ihering, 1922 and Amphidoxa inexpectata Ihering, 1922. Curiously, after their original description, these species were never again mentioned in the literature. They were recently “rediscovered” during work to produce the latest checklist of terrestrial gastropods in Brazil and their classification needs to be reassessed. Herein, we reclassify those species as Lilloiconcha inexpectata (Ihering, 1922) comb. nov. and Lilloiconcha flammulata (Ihering, 1922) comb. nov. (Punctoidea, Cystopeltidae). Moreover, considering the former confusion involving L. inexpectata and L. pleurophora (Moricand, 1846), we also clarify the known distribution of the latter.
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Salvador et al. (2025) studied this question.
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