Pachylis acutangulus Stål, 1858 [1859] stat. rev.
Pachylis acutangulus Stål, 1858 [1859]: 439 ( acutangula); 1862: 275; 1870: 132. — Walker 1871: 53. — Uhler 1886: 10. — Distant 1881: 108; 1892: 352. — Lethierry & Severin 1894: 14. — Blöte 1938: 303. — CoreoideaSF Team 2020.
Thasus acutangulus – Gibson & Carillo 1959: 23. — Aldrich & Blum 1978: 58. — Schaefer & O’Shea 1979: 521. — O’Shea 1980: 219. — Brailovsky et al. 1994b: 325. — Schaefer & Packauskas 1997: 206. — Arnett 2000: 256. — Forbes & Schaefer 2003: 240. — Packauskas 2010: 187. — Linares & Orozco 2017: 20. — CoreoideaSF Team 2020.
NON- TYPE MATERIAL. — Mexico • 1♂; Baja Calif. Sur. 5 km. E San Antonio; R. L. Aalbu col.; VIII.[19]75; CAS • 3 ♀; Chiapas, N. slope of Cerro Bola N. Cerro Tres Picos; 1224-2134 m alt.; El Sumidero 18 km N. Tuxtla Gutier rez; alt. 1372 m; D. E. Breedlove, Carolyn Mullinex; 5.V/ 19.VIII.1972; CAS • 1♂; Vera Cruz, Koebele, Koebele Collection; CAS; Sta. Rosa, Toledo, Veracruz 1200 m, Pe. Moure & R. Ayah; 14.VIII.1982; DZUP361301 .
Guatemala • 1♀, 7♂; Panajachel, D. Q. Cavagnaro & M. E. Irwin Collectors; 19.VIII.63 [1963?] .