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Taxonomic revision of four species of the Neotropical land planarian genera Cratera and Geoplana (Platyhelminthes, Tricladida) with a description of two new species and an emendation of Cratera

. Zootaxa. 4500, 4 (Oct. 2018), 517–542. DOI:https://doi.org/10.11646/zootaxa.4500.4.3.