Endless forms most beautiful: taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)

Zoological Journal of the Linnean Society v. 185, n. 1, p. 1-65, 2019 2.909 10.1093/zoolinnean/zly022 Almeida, A. L. ; Marques, F. P. L. ; Carbayo, F. 2019