Pterygoplichthys ambrosettii (Holmberg, 1893) Liposarcus ambrosettii Holmberg, 1893b: 354. Type locality: Río Paraguay, in front of Formosa. No types known. Pterygoplichthys anisitsi Eigenmann and Impact Level Impact Description 0 No data available, no impacts known, not detectable, or not applicable 1 Minor impacts, only locally, only on common species, negligible economic loss 2 Minor impacts, more widespread, also on rarer species, minor economic loss 3 Medium impacts, large-scale, several species concerned, relevant decline, relevant ecosystem modifications, medium economic loss 4 Major impact with high damage, major changes in ecosystem functions, decrease of species, major economic loss 5 Major large-scale impact with high damage and complete destruction, threat to species including local extinctions, high economic costs © 2018 Academia Sinica, Taiwan © 2018 Academia Sinica, Taiwan Kennedy, 1903:503. Type locality: Laguna of the Rio Paraguay at Asuncion. Holotype: IU 9873; whereabouts unknown. Pterygoplichthys juvens Eigenmann and Kennedy, 1903:504. Type locality: Asuncion, Río Paraguay, Paraguay. Holotype: CAS 59784. Ancistrus multiradiatus alternans Regan, 1904b: 229. Type locality: Paraguay and Southern Bolivia [restricted by Weber (1992:28) to: Paraguyan Chaco [...] région Vila Concepción (= Concepción) - Caraya Vuelta -2/3 Piste Pozo Colorado, probablement Waikthlatingmayalwa (=? Mission Inglesia)]. Lectotype: BMNH 1898.7.4.5, designated by Weber (1992:28). Originally proposed as A. multiradiatus var. alternans. Distribution: Paraguay, middle Paraná, Bermejo, and Uruguay River basins (Weber 2003). R e m a r k s: Weber (1992 2003) treated Liposarcus ambrosettii Holmberg, 1893, as a nomen oblitum, but its use in several publications negate that status. Redescribed as Liposarcus anisitsi in Weber (1992:13).

Published as part of Orfinger, Alexander Benjamin & Goodding, Daniel Douglas, 2018, Pterygoplichthys zuliaensis Weber 1991, pp. 1-16 in Zoological Studies 57 (7) on pages 3-5, DOI: 10.6620/ZS.2018.57-07, http://zenodo.org/record/13316711