Family Colubridae
Boiruna maculata (Boulenger, 1896) (= Pseudoboa cloelia and Cloelia cloelia)
Opisthogonimus lecithonotus Lühe, 1900 Clelia rustica (Cope, 1878)
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951 Erythrolamprus aesculapii (Linnaeus, 1766)
Catadiscus freitaslenti Ruiz, 1943
Helicops infrataeniatus Jan, 1865 (= H. carinicaudus) Heterodiplostomum lanceolatum Dubois, 1936 Opisthogonimus lecithonotus Lühe, 1900 Westella serpentis Artigas, Ruiz & Leão, 1943 Helicops leopardinus (Schlegel, 1837)
Heterodiplostomum lanceolatum Dubois, 1936 Opisthogonimus lecithonotus Lühe, 1900 Hydrodynastes gigas (Duméril, Bibron & Duméril, 1854) (= Cyclagras g.) Glossidiella ornata Travassos, 1927
Glossidioides loossi (Travassos, 1927)
Heterodiplostomum lanceolatum Dubois, 1936 Infidum infidum (Faria, 1910) Travassos, 1916 Opisthogonimus lecithonotus Lühe, 1900 Plagiorchis luehei Travassos, 1927
Styphlodora condita Faria, 1911
Telorchis clava (Diesing, 1850) Lühe, 1899 Leptodeira annulata pulchriceps Duellman, 1958 (= L. a. annulata) Styphlodora condita Faria, 1911
Liophis almadensis (Wagler, 1824) (= Leimadophis almada) Catadiscus freitaslenti Ruiz, 1943
Liophis anomalus (Günther 1858)
Opisthogonimus lecithonotus Lühe, 1900 Liophis flavifrenatus (Cope 1862)
Catadiscus freitaslenti Ruiz, 1943
Opisthogonimus lecithonotus Lühe, 1900 Travtrema stenocotyle (Cohn, 1902) Goodman, 1951
Liophis guentheri Peracca 1897 (= Leimadophis typhlus)
Opisthogonimus artigasi Ruiz & Leão, 1942
Opisthogonimus lecithonotus Lühe, 1900
Liophis jaegeri (Günther, 1858)
Opisthogonimus megabothrium Pereira, 1928
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951 Liophis miliaris semiaureus (Cope, 1862)
Opisthogonimus fonsecai Ruiz & Leão, 1942
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951 Liophis poecilogyrus (Wied, 1825)
Catadiscus uruguayensis Freitas & Lent, 1939
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951 Lystrophis dorbignyi Duméril, Bibron & Duméril, 1854
Catadiscus freitaslenti Ruiz, 1943
Catadiscus longicoecalis Caubisens Poumarau, 1965
Opisthogonimus artigasi Ruiz & Leão, 1942
Opisthogonimus lecithonotus Lühe, 1900
Styphlodora condita Faria, 1911
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951
Mastigodryas bifossatus triseriatus (Amaral, 1931) (= Drymobius bifossattus)
Opisthogonimus artigasi Ruiz & Leão, 1942
Opisthogonimus lecithonotus Lühe, 1900
Styphlodora condita Faria, 1911
Oxyrhopus rhombifer Duméril, Bibron & Duméril, 1854
Styphlodora condita Faria, 1911
Philodryas olfersii (Liechtenstein, 1823)
Catadiscus longicoecalis Caubisens Poumarau, 1965
Infidum similis Travassos, 1916
Philodryas patagoniensis (Girard, 1857) (= Pyilodrias schottii)
Opisthogonimus lecithonotus Lühe, 1900
Styphlodora condita Faria, 1911
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951 Philodryas psammophideus Günther, 1872
Infidum infidum (Faria, 1910) Travassos, 1916
Opisthogonimus artigasi Ruiz & Leão, 1942 Sibynomorphus turgidus (Cope, 1868)
Mesocoelium monas (Rudolphi, 1819)
Mesocoelium sibynomorphi Ruiz & Leão, 1943 Sibynomorphus ventrimaculatus (Boulenger 1885)
Mesocoelium monas (Rudolphi, 1819)
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951 Thamnodynastes sp. (cited as T. pallidus)
Opisthogonimus lecithonotus Lühe, 1900
Opisthogonimus artigasi Ruiz & Leão, 1942
Styphlodora condita Faria, 1911
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951
Thamnodynastes strigatus (Günther, 1858)
Opisthogonimus lecithonotus Lühe, 1900
Tomodon ocellatus Duméril, Bibron & Duméril 1854 Mesocoelium monas (Rudolphi, 1819)
Waglerophis merremi (Wagler 1824) (= Xenodon m. Wagler, 1824)
Catadiscus freitaslenti Ruiz, 1943
Catadiscus longicoecalis Caubisens Poumarau, 1965 Opisthogonimus fonsecai Ruiz & Leão, 1942 Opisthogonimus interrogativus (Nicoll, 1914) Pereira, 1928 Opisthogonimus lecithonotus Lühe, 1900
Opisthogonimus megabothrium Pereira, 1928 Opisthogonimus misionesensis Lunaschi & Drago, 2001 Styphlodora condita Faria, 1911
Travtrema stenocotyle (Cohn, 1902) Goodman, 1951