1	Mandibles long and linear in full-face view, inserted at the middle of the anterior margin of the head, their bases closely approximate (Fig. 17A)	2
–	Mandibles with variable shape, but always inserted at the anterolateral corners of the head, their bases conspicuously separated (Fig. 17AA)	3
2	Nuchal carina (i.e., carina that separates dorsal from posterior surfaces of the head) and paired dark posterior apophyseal lines converge in a V-shape at the midline of the posterior margin of the head (Fig. 18A, B), and join a sharp mediodorsal sulcus that runs longitudinally on the posterior half of the head. Dorsalmost tooth of apical mandibular series usually truncated. Apex of the petiolar node usually conical or pointed	Odontomachus
–	Nuchal carina forms an uninterrupted curve across the posterodorsal extremity of the head (Fig. 18AA); paired dark apophyseal lines absent (Fig. 18BB); median sulcus absent or ill-defined and shallow on the posterior half of the head. Dorsalmost tooth of apical mandibular series usually acute. Petiolar node with varying shape: subtriangular to scale-like, unarmed to bidentate	Anochetus
3	In full-face view, anterior part of the torular lobes widely separated and usually not confluent; separated by a rounded, truncated, or broadly triangular section of the clypeus (Fig. 19A). The lateral margins of the lobes variously shaped, but only rarely with a pinched-in appearance posteriorly (Fig. 19B)	4
–	In full-face view, anterior section of the torular lobes confluent or closely approximated; separated by a narrow triangular portion of the clypeus or by a very narrow cuticular strip, which extends posteriad between them (Fig. 19AA). The lateral margins of the lobes always with a pinched-in appearance posteriorly (Fig. 19BB)	5
4	Mandible triangular, with distinct basal and masticatory margins; masticatory margin edentate or with numerous short teeth (Fig. 20A). Metatibia with 2 distinctly pectinate spurs; the posterior spur usually much larger than the anterior (Fig. 20B). Helcium in profile located approximately at midheight of the anterior face of the first gastral segment (abdominal segment III), so that the first gastral segment does not have a long vertical anterior face in profile. Petiole subrectangular to subcylindrical; the posterior face usually with carinate lateral margins. Dorsal surfaces of the head and the mesosoma without erect/suberect setae. Fine, dense shagreened sculpture, with associated larger punctures	Platythyrea
–	Mandible pitchfork-like; with indistinct basal and masticatory margins; armed with 3 noticeably long, curved teeth; the apical tooth so long and curved that it reaches or surpasses the anterolateral corner of the head opposite from its insertion when the mandible is closed (Fig. 20AA). Metatibia with only one spur, pectinate (Fig. 20BB). Helcium in profile located ventrad to the midheight of the anterior face of the first gastral segment (abdominal segment III), so that the first gastral segment has a long vertical anterior face in profile. Shape of the petiole ranging from a thick, broad scale with sharp lateral margins to a somewhat cuboid node; never subrectangular to subcylindrical with carinate posterolateral margins. Dorsal surfaces of the head and the mesosoma usually with erect/suberect setae, at least partially. Sculpture varying from smooth and shiny to finely shagreened to finely punctate and rugulose	Thaumatomyrmex
5	Ventral apex of the metatibia with only one spur, which is large and pectinate (Fig. 21A)	6
–	Ventral apex of the metatibia with two spurs; the posterior spur always larger and pectinate (Fig. 21AA)	9
6	Dorsal face of the metabasitarsus with stout, spine-like setae amid regular, filiform setae (Fig. 22A); similar spine-like setae also present on mesobasitarsus and mesotibia	Centromyrmex
–	Dorsal face of the metabasitarsus vested with filiform setae; stout, spine-like setae absent (Fig. 22AA). Stout, spine-like setae may occur on either mesobasitarsus or mesotibia, but if so, they are absent from the metabasitarsus	7
7	Medial portion of the clypeus projected anteriad, overhanging the anterior clypeal margin in full-face view (Fig. 23A); projection frequently mucronate: anteromedian point with an abrupt, thin, conspicuous prominence (Fig. 23A, mid-image). Mandible subtriangular to falcate (Fig. 23B). Arolium usually well-developed (Fig. 23C)	Simopelta
–	Medial portion of the clypeus does not overhang the anterior clypeal margin in full-face view (Fig. 23AA); anterior clypeal margin slightly convex. Mandible triangular (Fig. 23BB). Arolia indistinct (Fig. 23CC)	8
8	Subpetiolar process in ventrolateral (oblique) view with a pair of angulate projections located posteriorly (Fig. 24A). In profile, subpetiolar process with an anterior translucent fenestra (Fig. 24B), and with a sharp posteroventral angle (Fig. 24C). Maxillary palps with 2 segments	Ponera
–	Subpetiolar process in ventrolateral (oblique) view without a pair of angulate projections located posteriorly (Fig. 24AA). In profile, subpetiolar process usually without an anterior fenestra (Fig. 24BB); with posteroventral portion rounded to acutely angulate (Fig. 24CC). Maxillary palps with 0–1 segments	Hypoponera
9	Hindlegs usually with pectinate pretarsal claws (Fig. 25A), rarely with only 1–2 small preapical teeth; if pretarsal claws not pectinate, then mandible with only 1–2 teeth; if mandibles with > 3 teeth, then pretarsal claws pectinate. Torular lobes distinctly fail to cover the entire antennal sockets in full-face view (Fig. 25B)	Leptogenys
–	Pretarsal claws of hindlegs never pectinate; the claws are simple or with a basal or preapical tooth (Fig. 25AA). Mandible edentate or with variable numbers of teeth; if basal or preapical teeth are present on pretarsal claws, then mandible with 4 or more teeth. The torular lobes may or may not conceal the antennal sockets in full-face view (Fig. 25BB)	10
10	Mandibles falcate, elongated, and slender, with long, conspicuous teeth; apical tooth much longer than other teeth (Fig. 26A)	Belonopelta
–	Mandibles triangular or subtriangular, without long, conspicuous teeth (Fig. 26AA)	11
11	Dorsal face of mesotibiae covered with abundant, stout, spine-like setae (Fig. 27A). Prora variable, usually reduced and hardly visible in profile, but never projected ventro-anteriorly as a long, acute prominence (Fig. 28A)	Cryptopone
–	Dorsal face of mesotibiae usually without abundant, stout, spine-like setae (Fig. 27AA). If spine-like setae present along dorsal face of mesotibia (Fig. 27AAA), then prora in profile projected ventro-anteriorly as a long, acute prominence (Fig. 28AA); otherwise prora with variable shape	12
12	Massive ants (head width greater than 4.0 mm). Anterior clypeal margin with a pair of large projecting teeth (Fig. 29A)	Dinoponera
–	Smaller ants (head width less than 4.0 mm). Anterior clypeal margin without a pair of large projecting teeth (Fig. 29AA)	13
13	In ventral view, petiolar sternite with a posterior spatulate projection folded posteriad over the remaining sternite, so that in profile, the posterior portion of the subpetiolar process presents a long, acute projection strongly directed posteriad (Fig. 30A). Anterior margin of clypeus truncated to emarginated, never entirely convex	Rasopone
–	Petiolar sternite usually without a posterior spatulate projection folded posteriad over the remaining sternite (Fig. 30AA). If a posterior spatulate projection is present and the posterior portion of the subpetiolar process is somewhat directed posteriad in profile, then the anterior clypeal margin is convex and angulate; otherwise, the anterior margin of clypeus is variable in shape	14
14	Mandible edentate (Fig. 31A). Clypeus in full-face view with a truncate anteromedial projection that overhangs the basal portion of the closed mandibles (Fig. 31B). Ventral face of the hypopygium (abdominal segment VII sternite) longitudinally concave, with posterior region bearing stout, hook-shaped setae (Fig. 31C, D); in profile, hook-shaped setae visible. Gaster in profile and in dorsal view without a girdling constriction (presclerites of abdominal segment IV, the second gastral segment, forming an even surface with postsclerites; Fig. 31E)	Corrieopone gen. nov.
–	Mandible dentate (with > 4 teeth/denticles; Fig. 31AA). Clypeus variable in shape, but never with truncate anteromedial projection that overhangs the mandibles (Fig. 31BB). Ventral face of the hypopygium (abdominal segment VII sternite) without longitudinal concavity, and never bearing stout, hook-shaped setae (Fig. 31CC, DD). Gaster in profile and in dorsal view with or without a distinct impression between the presclerites and postsclerites of the second gastral segment (abdominal segment IV) that appears as a girdling constriction (Fig. 31EE)	15
15	Stridulitrum present on abdominal pretergite IV (Fig. 32A)	16
–	Stridulitrum absent from abdominal pretergite IV (Fig. 32AA)	17
16	Propodeal spiracle round or ovoid (Fig. 33A), never slit-shaped, and preocular carina absent (Fig. 33B)	Mayaponera (part)
–	Propodeal spiracle usually slit-shaped (Fig. 33AA), but if round, the preocular carina is present (Fig. 33BB)	Neoponera
17	Metapleural gland orifice shaped as a curved slit aperture directed posterodorsally (Fig. 34A). In profile, prora projected ventro-anteriorly as a long, acute prominence (Fig. 34B); in anterior view, prora similar to a soup spoon (or a spatula), transverse on abdominal sternite III. Mandible with 6 or 7 teeth/denticles	Pseudoponera
–	Metapleural gland orifice variable, but never shaped as a curved slit aperture (Fig. 34AA). Prora variable, but never projected ventro-anteriorly as a long, acute prominence (Fig. 34BB). Mandibles usually with 9 or more teeth/denticles	18
18	Propodeal spiracles slit-shaped (Fig. 35A). In full-face view, lateral surfaces of torular lobes with large, smooth, shiny area, which is mostly or entirely glabrous (Fig. 35B). In profile, petiole usually cuboid (Fig. 36A). Hypopygium in profile with spine-like or aristate setae on posteriormost portion (Fig. 36B)	Pachycondyla
–	Propodeal spiracles round (Fig. 35AA); never slit-shaped. In full-face view, lateral surfaces of torular lobes covered uniformly by same sculpture and setae (Fig. 35BB). In profile, petiole shaped as an upward-pointing wedge (Fig. 36AA). Hypopygium in profile usually without spine-like or aristate setae on posteriormost portion (Fig. 36BB)	Mayaponera (part)