- Tropinotus discoideus Serville, 1831: 273.
Syntype; 20cc7980-659f-4b4e-aa97-df9ebe313c69; Brazil: Mato Grosso, Chapada dos Guimarães
- Tropinotus discoideus Serville, 1831 in Charpentier, 1845: Tab. 32.
- ... Show all ... (42)
- Xiphocera discoidea (Serville, 1831) in Burmeister, 1861: 491.
- Tropidonotus scabripes Stål, 1878: 19.
Syntype; male; 5dc73202-4882-43d3-a306-7b56c97e25ac; deposited at: Swedish Museum of Natural History, Entomology Collections (NHRS); Brazil: Rio Grande do Sul: São Leopoldo. Syntype; female; 30d88560-628d-482f-83c7-3de6f4612474; deposited at: Swedish Museum of Natural History, Entomology Collections (NHRS); Brazil: Rio Grande do Sul: São Leopoldo
- Xyleus discoideus discoideus (Serville, 1831) in Bolívar, 1884
- Tropidonotus discoideus (Serville, 1831) in Pictet & Saussure, 1887: 335.
- Tropidonotus scabripes Stål, 1878 in Pictet & Saussure, 1887: 335.
- Tropidonotus discoideus (Serville, 1831) in Giglio-Tos, 1897: 29.
- Tropinotus discoideus Serville, 1831 in Rehn, 1905: 37.
- Tropinotus scabripes (Stål, 1878) in Bruner, 1906: 648.
- Tropinotus affinis Bruner, 1906: 646.
Holotype; female; 33d6689a-18e1-4048-8fe7-eb4c74d35b2f; deposited at: National Museum of Natural History, Smithsonian Institution (USNM); Paraguay: Paraguarí: Sapucai
- Tropinotus discoideus Serville, 1831 in Rehn, 1907: 170.
- Tropinotus affinis Bruner, 1906 in Rehn, 1908: 12.
- Diedronotus discoideus (Serville, 1831) in Kirby, 1910: 360.
- Diedronotus scabripes (Stål, 1878) in Kirby, 1910: 361.
- Diedronotus affinis (Bruner, 1906) in Kirby, 1910: 361.
- Tropinotus discoideus Serville, 1831 in Rehn, 1911: 251.
- Diedronotus scabripes (Stål, 1878) in Bruner, 1911: 52.
- Diedronotus fuscipennis Bruner, 1911: 51.
Holotype; female; 855e3b61-847f-4c7f-b1fa-419f6b083eff; deposited at: Carnegie Museum of Natural History (CM); Uruguay: Montevideo: Montevideo
- Diedronotus discoideus (Serville, 1831) in Rehn, 1913: 330.
- Tropidonotus fuscipennis (Bruner, 1911) in Liebermann, 1928: 147.
- Tropinotus fuscipennis (Bruner, 1911) in Caudell, 1932
- Xyleus discoideus discoideus (Serville, 1831) in Sjöstedt, 1933
- Diedronotus discoideus (Serville, 1831) in Liebermann, 1935: 37.
- Tropinotus fuscipennis (Bruner, 1911) in Liebermann, 1939: 173.
- Tropinotus discoideus Serville, 1831 in Liebermann, 1939: 172.
- Xyleus discoideus discoideus (Serville, 1831) in Liebermann & Pirán, 1941
- Xyleus discoideus (Serville, 1831) in Roberts, 1941: 319.
- Tropinotus discoideus Serville, 1831 in Piza, 1945: 183.
- Xyleus discoideus discoideus (Serville, 1831) in Liebermann & Ruffinelli, 1946
- Tropinotus scabripes (Stål, 1878) in Liebermann, 1955: 335.
- Xyleus discoideus discoideus (Serville, 1831) in Bucher, 1974
- Xyleus discoideus discoideus (Serville, 1831) in Mesa, Ferreira & Carbonell, 1982
- Xyleus discoideus (Serville, 1831) in Centre for Overseas Pest Research, 1982: 121.
- Xyleus discoideus discoideus (Serville, 1831) in Matiotti da Costa & Jantsch, 1999
- Xyleus discoideus discoideus (Serville, 1831) in Carbonell, 2004: 79.
- Diedronotus fuscipennis Bruner, 1911 (subjective synonym of Tropinotus discoideus Serville, 1831) in Carbonell, 2004: 79.
- Tropidonotus scabripes Stål, 1878 (subjective synonym of Tropinotus discoideus Serville, 1831) in Carbonell, 2004: 79.
- Tropinotus affinis Bruner, 1906 (subjective synonym of Tropinotus discoideus Serville, 1831) in Carbonell, 2004: 79.
- Xyleus discoideus discoideus (Serville, 1831) in De Domenico, 2005
- Xyleus discoideus discoideus (Serville, 1831) in Carbonell, Cigliano & Lange, 2006
- Tropidonotus scabripes Stål, 1878 (subjective synonym of Tropinotus discoideus Serville, 1831) in Carbonell, Cigliano & Lange, 2006
- Xyleus discoideus discoideus (Serville, 1831) in Braga & Nunes, 2010: 336.
- Xyleus discoideus (Serville, 1831) in Cadena-Castañeda & Cardona, 2015: 249-250.