Name Authorship Pages Forms Locality Notes
Xiphomyrmex gambogecus Donisthorpe, 1941h 57 w. NEW GUINEA.
Xiphomyrmex gambogecus var. flavus Donisthorpe, 1941h 58 w. NEW GUINEA.
Xiphomyrmex impressus Viehmeyer, 1925a 30 w. AUSTRALIA.
Xiphomyrmex insularis Menozzi, 1924b 223, fig. 4 w. SÃO TOMÉ & PRINCIPE (Principe I.).
Xiphomyrmex kivuense st. atrinodis Santschi, 1928f 208 w. KENYA.
Xiphomyrmex latior Santschi, 1926b 243 w. MADAGASCAR.
Xiphomyrmex minusculus Santschi, 1914d 369, fig. 32 w. CAMEROUN.
Xiphomyrmex minusculus subsp. amen Weber, 1943d 376 w. SUDAN.
Xiphomyrmex Muralti st. flavithorax Santschi, 1914d 369, fig. 31 w. GHANA.
Xiphomyrmex Muralti var. trilineata Santschi, 1919h 88 w.q. GHANA.
Xiphomyrmex occidentalis Santschi, 1916a 50, fig. 1 w. CAMEROUN.
Xiphomyrmex occidentalis subsp. akengensis Wheeler, 1922 194 w. DEMOCRATIC REPUBLIC OF CONGO.
Xiphomyrmex orbiceps Santschi, 1914d 367, fig. 30 w. CAMEROON, GHANA.
Xiphomyrmex papyri Weber, 1943d 374, pl. 16, fig. 36 q. SUDAN.
Xiphomyrmex severini Emery, 1895g 343 w. MADAGASCAR.
Xiphomyrmex spinosus Pergande, 1896 894 w. MEXICO.
Xiphomyrmex spinosus subsp. hispidus Wheeler, 1915b 415 w. U.S.A.
Xiphomyrmex spinosus subsp. insons Wheeler, 1915b 416 w.q.m. U.S.A.
Xiphomyrmex striolatus subsp. splendidior Viehmeyer, 1925a 29 w. AUSTRALIA.
Xiphomyrmex sudanensis Weber, 1943d 373, pl. 16, fig. 40 w. SUDAN.
Xiphomyrmex tenuicrinis Emery, 1914f 416 w. NEW CALEDONIA.
Xiphomyrmex tricolor Donisthorpe, 1949c 753 w. NEW GUINEA (Indonesia).
Xiphomyrmex turneri subsp. fuscipes Viehmeyer, 1925a 29 w. AUSTRALIA.
Xiphomyrmex uelensis Santschi, 1935a 267 w. DEMOCRATIC REPUBLIC OF CONGO.
Xiphomyrmex viehmeyeri var. venustus Wheeler, 1934d 147 q. AUSTRALIA.
Xiphomyrmex weitzeckeri r. guineensis Bernard, 1953b 251, fig. 14 w. GUINEA.
Xiphomyrmex weitzeckeri subsp. edithae Weber, 1943d 375 w. SUDAN.
Xiphomyrmex weitzeckeri var. nigellus Santschi, 1932b 389 w.q. ZIMBABWE.
Xiphomyrmex zonacaciae Weber, 1943d 376, pl. 16, fig. 34 w. SUDAN.
Xiphopelta Forel, 1913a 108 [as subgenus of Ponera]
Xymmer Santschi, 1914d 311 [as subgenus of Stigmatomma]
Xymmer phungi Satria et al., 2016 143, figs. 1-11 w.q. VIETNAM.
Yantaromyrmex Dlussky & Dubovikoff, 2013 307.
Yantaromyrmex intermedius Dlussky & Dubovikoff, 2013 311, fig. 14 w. GERMANY (Saxonian Amber).
Yantaromyrmex mayrianum Dlussky & Dubovikoff, 2013 311, figs. 15-19 w. BALTIC AMBER (Eocene).
Yavnella Kugler, 1987 52
Yavnella argamani Kugler, 1987 53, figs. 14-18 m. ISRAEL.
Yavnella indica Kugler, 1987 55, figs. 19-22 m. INDIA.
Ypresiomyrma Archibald et al., 2006 492
Ypresiomyrma bartletti Archibald et al., 2006 493, figs. 3, 16I, 17C q. CANADA (Eocene).
Ypresiomyrma orbiculata Archibald et al., 2006 492, figs. 2, 16M, 17A q. CANADA (Eocene).
Ypresiomyrma orientalis Dlussky et al., 2015 139, figs. 18-19 q. RUSSIA (Eocene).
Yunodorylus Xu, 2000b 297
Yunodorylus sexspinus Xu, 2000b 298, figs. 1-6 w. CHINA (Yunnan).
Zacryptocerus Wheeler, 1911g 175 (see also footnote)
Zacryptocerus alveolatus Vierbergen & Scheven, 1995 166, fig. 9 w. DOMINICAN AMBER (Miocene).
Zacryptocerus integerrimus Vierbergen & Scheven, 1995 162, fig. 5 w. DOMINICAN AMBER (Miocene).
Zacryptocerus obscurus Vierbergen & Scheven, 1995 164, fig. 8 w. DOMINICAN AMBER (Miocene).
Zacryptocerus pseudoaztecus Vierbergen & Scheven, 1995 163, fig. 7 w. DOMINICAN AMBER (Miocene).
Zacryptocerus solidus Kempf, 1974a 73, figs. 3, 4 w. BRAZIL.