Tribe Tetanorhynchini
- Genus Cephalocoema Serville 1839
- Cephalocoema bonariensis Piza 1981
- Cephalocoema curtirostris Mello-Leitão 1939
- Cephalocoema daguerrei Mello-Leitão 1939
- Cephalocoema tucumana Mello-Leitão 1939
- Genus Mariascopia Bentos-Pereira 2004
- Mariascopia elegans Bentos-Pereira 2004
- Genus Orienscopia Bentos-Pereira 2000
- Orienscopia angustirostris (Bunner von Wattenwyll 1890)
- Orienscopia costulata (Burmeister 1880)
- Orienscopia sanmartini Bentos-Pereira 2000
- Genus Tetanorhynchus Bunner von Wattenwyll 1890
- Tetanorhynchus calamus (Burmeister 1880)
- Tetanorhynchus humilis Giglio-Tos 1897
