Tribe Deltocephalini
- Genus Amplicephalus DeLong, 1926
- Subgenus Amplicephalus DeLong, 1926
- Amplicephalus (Amplicephalus) backhauseni (Berg, 1895)
- Amplicephalus (Amplicephalus) faminei (Stål, 1859)
- Amplicephalus (Amplicephalus) lineatus (Osborn, 1923)
- Amplicephalus (Amplicephalus) marginellanus Metcalf, 1955
- Amplicephalus (Amplicephalus) ornatus Linnavuori, 1959
- Amplicephalus (Amplicephalus) papillosus Linnavuori, 1959
- Amplicephalus (Amplicephalus) simpliciusculus Linnavuori, 1955
- Subgenus Nanctasus Linnavuori, 1959
- Amplicephalus (Nanctasus) pallidus Linnavuori, 1959
- Genus Bolarga Oman, 1938
- Bolarga nigriloba Linnavuori, 1959
- Genus Corrientesia Duan & Dietrich, 2018
- Corrientesia ochrescens Duan & Dietrich, 2018
- Genus Cortona Oman, 1938
- Cortona catanachae Duan, Dietrich & Zhang, 2017
- Cortona concordica Duan, Dietrich & Zhang, 2017
- Cortona minuta Oman, 1938
- Cortona otamendiensis Duan, Dietrich & Zhang, 2017
- Cortona silvai Duan, Dietrich & Zhang, 2017
- Genus Cumora Oman, 1938
- Subgenus Cumora Oman, 1938
- Cumora (Cumora) capreolus (Linnavuori, 1959)
- Cumora (Cumora) eurytus (Linnavuori, 1959)
- Cumora (Cumora) sexpunctata (Berg, 1879)
- Genus Fusanus Linnavuori, 1955
- Fusanus chacoensis (Linnavuori, 1955)
- Fusanus griseostriatus Linnavuori, 1955
- Genus Graminella DeLong, 1936
- Graminella schrocki Duan & Dietrich, 2018
- Graminella stelliger puncticeps Linnavuori, 1959
- Graminella striatella Linnavuori, 1959
- Genus Loreta Linnavuori, 1959
- Subgenus Bahitella Linnavuori, 1959
- Loreta (Bahitella) lineaticollis Linnavuori, 1959
- Subgenus Loreta Linnavuori, 1959
- Loreta (Loreta) cruciata (Linnavuori, 1959)
- Loreta (Loreta) ornaticeps Linnavuori, 1959
- Genus Mendozellus Linnavuori, 1959
- Mendozellus asunctia Cheng, 1980
- Mendozellus dubius (Linnavuori, 1955)
- Mendozellus isis (Linnavuori, 1959)
- Genus Neodeltocephalus Linnavuori, 1959
- Neodeltocephalus asper Linnavuori, 1959
- Genus Planicephalus Linnavuori, 1954
- Planicephalus flavicosta (Stål, 1862)
- Planicephalus flavivitta (Berg, 1884)
- Genus Salnogia Duan & Dietrich, 2018
- Salnogia fletcheri Duan & Dietrich, 2018
- Genus Sanctanus Ball, 1932
- Sanctanus elegantulus (Linnavuori, 1959)
- Genus Unerus DeLong, 1936
- Unerus colonus (Uhler, 1895)
- Unerus postpositus Linnavuori, 1959
