Name Authorship Pages Forms Locality Notes
Apterostigma urichii Forel, 1893h 603 w. TRINIDAD
Apterostigma wasmanni subsp. petiolatum Weber, 1938b 175, fig. 10 w.m. BOLIVIA
Apterostigma wasmanni var. icta Weber, 1937 393 q. TRINIDAD
Apterostigma wasmannii Forel, 1892d 345 w.m. BRAZIL (Santa Catarina)
Aptinoma Fisher, 2009a 38
Aptinoma antongil Fisher, 2009a 40, figs. 1, 2 s.w. MADAGASCAR
Aptinoma mangabe Fisher, 2009a 40, figs. 3-5, 7a s.w.q.m. MADAGASCAR
†Aquilomyrmex Perrichot et al., 2020 10
†Aquilomyrmex huangi Perrichot et al., 2020 10, figs. 2G-H, 5, 8C q. MYANMAR (Burmese Amber, Cretaceous)
Aratromyrmex Stitz, 1938 105
Aratromyrmex cristatus Stitz, 1938 108 q. PHILIPPINES (Palawan), MICRONESIA (Caroline Is), MARSHALL IS
Aratromyrmex luctuosus Stitz, 1938 106, fig. 5 q. NEW GUINEA (Papua New Guinea)
Aratromyrmex luctuosus var. major Stitz, 1938 108 q. PHILIPPINES (Palawan)
Araucomyrmex Gallardo, 1919b 249
Araucomyrmex hunti Snelling, 1975 10, figs. 14, 15 w. CHILE
Araucomyrmex hypocritus Snelling, 1975 12, figs. 16, 17 w. CHILE
Araucomyrmex incomptus Snelling, 1975 13, figs. 18, 19 w. CHILE
Araucomyrmex pappodes Snelling, 1975 14, figs. 20, 21 w. CHILE
Araucomyrmex pogonius Snelling, 1975 15, figs. 22-28 w.m. CHILE
Araucomyrmex tener subsp. obscurior Kusnezov, 1953b 111 (diagnosis in key) w. ARGENTINA
Archaeomyrmecini Mann, 1921 449
Archaeomyrmex Mann, 1921 448
Archaeomyrmex cacabau Mann, 1921 449, fig. 17 w. FIJI IS (Viti Levu)
†Archaeopone Dlussky, 1975a 120
†Archaeopone kzylzharica Dlussky, 1975a 121, fig. 132 m. KAZAKHSTAN (Cretaceous)
†Archaeopone taylori Dlussky, 1983 72, fig. 6 m. RUSSIA (Magadan, Cretaceous)
Archeatta Gonçalves, 1942 342 [as subgenus of Atta]
†Archimyrmex Cockerell, 1923a 52
†Archimyrmex rostratus Cockerell, 1923a 52, figs. A, B w. U.S.A. (Colorado, Green River Formation, Eocene)
†Archimyrmex wedmannae Dlussky, 2012 289, fig. 1 q. GERMANY (Messel, Eocene)
†Archiponera Carpenter, 1930 27
†Archiponera wheeleri Carpenter, 1930 27, pl. 1, pl. 2, fig. 1 w.m. U.S.A. (Colorado, Florissant Formation, late Eocene, Priabonian)
†Archiponerini Dlussky & Fedoseeva, 1988 78
Arctomyrmex Mann, 1921 457 [as subgenus of Adelomyrmex]
Aretidris General, 2015 132
Aretidris buenaventei General, 2015 134, figs. 1-6 w. PHILIPPINES (Luzon)
Aretidris clousei General, 2015 134, figs. 7-12 w. PHILIPPINES (Luzon)
†Armania Dlussky, 1983 67
†Armania capitata Dlussky, 1999a 64, fig. 1 q. RUSSIA (Siberia, Khabarovsk, Cretaceous)
†Armania pristina Dlussky, 1999a 63, fig. 1 q. RUSSIA (Siberia, Khabarovsk, Cretaceous)
†Armania robusta Dlussky, 1983 68, figs. 1, 2 q. RUSSIA (Magadan, Cretaceous)
†Armaniella Dlussky, 1983 71
†Armaniella curiosa Dlussky, 1983 71, fig. 5 q. RUSSIA (Magadan, Cretaceous)
†Armaniidae Dlussky, 1983 66
Arnoldidris Brown, 1950c 143
Arnoldidris szentivanyi Brown, 1958b 18, figs. 1, 2 w.q. NEW GUINEA (Papua New Guinea)
Arnoldius Dubovikoff, 2005a 93
Arotropus Provancher, 1881a 205
Arotropus binodosus Provancher, 1881a 206, figs. 32, 33 m. CANADA
Asemorhoptrum Mayr, 1861 76