Formicidae Latreille, 1802
Phyracaces aberrans Clark, 1934
Phyracaces angustatus Clark, 1924
Phyracaces apicalis Clark
Phyracaces bicolor Clark, 1924
Phyracaces brevicollis Clark, 1923
Phyracaces brevis Clark, 1924
Phyracaces castaneus Clark, 1924
Phyracaces clarki Crawley, 1922
Phyracaces clarus Clark, 1930
Phyracaces constrictus Clark
Phyracaces crassus Clark, 1941
Phyracaces dromus Clark, 1941
Phyracaces elegans Wheeler, 1918
Phyracaces fervidus Wheeler, 1918
Phyracaces ficosus Wheeler, 1918
Phyracaces flammeus Clark, 1930
Phyracaces flavescens Clark, 1930
Phyracaces gilesi Clark, 1923
Phyracaces greavesi Clark, 1934
Phyracaces gwynethae Clark
Phyracaces inconspicuus Clark, 1924
Phyracaces jovis Forel
Phyracaces larvatus Wheeler, 1918
Phyracaces macrops Clark
Phyracaces newmani Clark, 1923
Phyracaces nigriventris Clark, 1924
Phyracaces picipes Clark, 1924
Phyracaces pictus Clark, 1934
Phyracaces piliventris Clark
Phyracaces potteri Clark
Phyracaces princeps Clark, 1934
Phyracaces punctatissima Clark, 1923
Phyracaces punctatissimus Clark
Phyracaces pygmaeus Clark, 1934
Phyracaces reticulatus Clark, 1926
Phyracaces rotula Forel
Phyracaces ruficornis Clark, 1923
Phyracaces rufoniger Clark
Phyracaces scrutator Wheeler, 1918
Phyracaces senescens Wheeler, 1918
Phyracaces simmonsae Clark, 1923
Phyracaces simulans
Phyracaces sjostedti Forel
Phyracaces varians Clark, 1924