Macrostomum velastylum Brusa, 2006

Type locality. Argentina, Buenos Aires Province, Atalaya (35°00ʹ53.6”S, 57°32ʹ3.3”W). Holotype: MLP 5554. Paratypes: MLP 5333 (5 specimens in serial sections from La Matilde stream), MLP 5334 (1 specimen in serial section from Atalaya)

Reference. Brusa (2006a).