Ascarophis patagonica Brugni & Viozzi, 2008 (basis of record)
Camallanus (Zeylanema) corderoi Torres, Teuber & Miranda, 1990 (additional source)
Camallanus tridentatus (Drasche, 1884) (basis of record)
Contracaecum jorgei Sardella, Mancini, Salinas, Simões & Luque, 2020 (additional source)
Cucullanus pauliceae Vaz & Pereira, 1934 (additional source)
Cucullanus pinnai pinnai Travassos, Artigas & Pereira, 1928 (additional source)
Dichelyne (Cucullanellus) mariajuliae Alarcos, Timi, Etchegoin & Sardella, 2006 (additional source)
Eustrongylides tubifex (Nitzsch in Rudolphi, 1819) Jägerskiöld, 1909 (additional source)
Goezia spinulosa (Diesing, 1839) (additional source)
Hysterothylacium patagonense Moravec, Urawa & Coria, 1997 (additional source)
Hysterothylacium rhamdiae Brizzola & Tanzola, 1995 (basis of record)
Klossinemella iheringi (Travassos, Artigas & Pereira, 1928) (basis of record)
Neocucullanus marcelae Ramallo, 2012 (basis of record)
Philonema percichthydis Moravec, Urawa & Coria, 1997 accepted as Pseudodelphis percichthydis (Moravec, Urawa & Coria, 1997) Moravec, Novacovsky & Hernández-Orts, 2018 (additional source)
Placonema Brugni, Viozzi, Fernández & Vega, 2009 (basis of record)
Placonema pataguense Brugni, Viozzi, Fernández & Vega, 2009 (basis of record)
Procamallanus (Denticamallanus) ana Ramallo, 2011 (basis of record)
Pseudodelphis limnicola Brugni & Viozzi, 2006 accepted as Pseudodelphis percichthydis (Moravec, Urawa & Coria, 1997) Moravec, Novacovsky & Hernández-Orts, 2018 (additional source)
Raphidascaris (Sprentascaris) marano Ramallo, 2009 accepted as Sprentascaris marano Ramallo, 2009 (additional source)
Raphidascaris (Sprentascaris) saltaensis Ailán-Choke, Ramallo & Davies, 2017 accepted as Sprentascaris saltaensis Ailán-Choke, Ramallo & Davies, 2017 (additional source)
Rondonia rondoni Travassos, 1920 (additional source)
Spectatus spectatus Travassos, 1923 (basis of record)
Spinitectus asperus Travassos, Artigas & Pereira, 1928 (additional source)
Spirocamallanus hilarii (Vaz & Pereira, 1934) accepted as Procamallanus (Spirocamallanus) hilarii Vaz & Pereira, 1934 (basis of record)
Spirocamallanus huacraensis Ramallo, 2008 accepted as Procamallanus (Spirocamallanus) huacraensis Ramallo, 2008 (basis of record)
Spirocamallanus inopinatus (Travassos, Artigas & Pereira, 1928) accepted as Procamallanus (Spirocamallanus) inopinatus Travassos, Artigas & Pereira, 1928 (basis of record)
Spirocamallanus juana Ramallo & Ailán Choke, 2017 accepted as Procamallanus (Spirocamallanus) juana Ramallo & Ailan Choke, 2017 (basis of record)
Spirocamallanus neocaballeroi Caballero-Deloya, 1977 accepted as Procamallanus (Spirocamallanus) neocaballeroi (Caballero-Deloya, 1977) (basis of record)
Spirocamallanus pimelodus (Pinto, Fábio, Noronha & Rolas, 1974) accepted as Procamallanus (Spirocamallanus) pimelodus Pinto, Fábio, Noronha & Rolas, 1974 (basis of record)
Spirocamallanus pintoi Kohn & Fernandes, 1988 accepted as Procamallanus (Spirocamallanus) pintoi (Kohn & Fernandes, 1988) (basis of record)
Spirocamallanus rarus (Travassos, Artigas & Pereira, 1928) accepted as Procamallanus (Spirocamallanus) rarus Travassos, Artigas & Pereira, 1928 (basis of record)
Spirocamallanus tomsici Ramallo & Ailán Choke, 2020 accepted as Procamallanus (Spirocamallanus) tomsici Ramallo & Ailán-Choke in Ramallo, Cancino, Ruiz & Ailán-Choke, 2020 (basis of record)