lujanensis, Typupiscis Toledo [M. J.] (ex Ameghino) 2022:3, Fig. 5 [Revista del Museo Argentino de Ciencias Naturales, Nova Serie v. 24 (no. 1); ref. 39266] Río de Luján, at Luján, Buenos Aires Province, Argentina. Holotype (unique): Not preserved. Based on unpublished photograph by Florentino Ameghino (1874). Not available, described in synonymy, also no formal diagnosis or typification. •In the synonymy of Ancistrus cirrhosus (Valenciennes 1836) -- (Toledo et al. 2022:1 [ref. 39266]). Current status: Synonym of Ancistrus cirrhosus (Valenciennes 1836). Loricariidae: Hypostominae.