Enicocephalidae Stål, 1860
Systelloderes biceps (Say, 1832)
Systelloderes crassatus Usinger, 1932
Systelloderes grandis Kritsky, 1978
Systelloderes inusitatus Drake & Harris, 1927
Systelloderes iowensis Drake & Harris, 1927
Systelloderes lateralis Kritsky, 1978
Systelloderes maclachlani (Kirkaldy, 1901)
Systelloderes moschatus Blanchard, 1852
Systelloderes notialis Woodward, 1956
