Helocassis distorta (Boheman, 1855)
Coptocycla distorta Boheman, 1855: 324 (HT! in ZMHU!), 1856: 182, 1862: 447; Gemminger and Harold, 1876: 3669; Champion, 1894: 203; Weise, 1896 b: 14; Spaeth, 1914 g: 132; Blackwelder, 1946: 749; Wilcox, 1975: 157.
Plagiometriona (Parametriona) distorta: Spaeth, 1937 b: 145.
Plagiometriona distorta: Borowiec, 1999 d: 403.
Helocasis distorta: Borowiec, 2002 a: 94.
Distr.: Mexico. Mexico: Hidalgo, Oaxaca.
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