Genus Shannonia Malloch, 1933: 312–313

Type-species: Tetanocera costalis Walker, 1837: 359 (original designation).

References. Malloch 1933: 298 (key); Stuardo 1946: 151 (catalog); Kaczynski et al. 1969: 577 (redescription, key); Steyskal & Knutson 1975: 274–275 (key); Knutson et al. 1976: 11 (catalog); Marinoni 1995: 58, 140 (list); Marinoni & Mathis 2000: 165 (table 1 character states); 167–168 (phylogeny); 172 (fig. 17 antenna); 173, 177 (phylogeny); 179 (fig. 81 male terminalia); 183, 188, 194 (figs. 128, 171, 232 male terminalia); 198, 201 (phylogeny); 204, 205 (figs. 323, 324 phylogeny); Barker et al. 2004: 220 (morphology), 224 (morphology larvae); Knutson & Vala 2011 (biology; keys to adults, larvae, and puparia; evolution; geographic distribution; systematics; world checklist); Murphy et al. 2012: 427 (geographic distribution).

Remarks. L.V. Knutson (unpubl.) noted that one undescribed species is known from Chile (3 females from CNC, 1 male from USNM, all currently in USNM).