Colactis baboquivari Loomis, 1937 accepted as Colactis utorum (Chamberlin, 1925) (additional source)
Colactis quadrata Loomis, 1937 (additional source)
Colactis saxetana Loomis, 1937 accepted as Colactis utorum (Chamberlin, 1925) (additional source)
Colactis sideralis Loomis, 1937 accepted as Colactis tiburona (Chamberlin, 1923) (additional source)
Colactis utorum (Chamberlin, 1925) (additional source)
Delophon georgianum Chamberlin, 1943 (additional source)
Delophon serrulatum Causey, 1954 (additional source)
Dicellarius bifidus Wood, 1864 (additional source)
Dicellarius fictus (Chamberlin, 1943) (additional source)
Dicellarius lamellidens (Chamberlin, 1931) (additional source)
Dicellarius lamprus (Chamberlin, 1918) (source of synonymy)
Harpaphe scotia (Chamberlin, 1941) (additional source)
Heptium carinellum Loomis, 1937 (additional source)
Heptium scamillatum Loomis, 1937 (additional source)
Illacme plenipes Cook & Loomis, 1928 (additional source)
Orthoporus boreus Chamberlin, 1947 (additional source)
Orthoporus flavior Chamberlin & Mulaik, 1941 (additional source)
Orthoporus ornatus (Girard, 1853) (additional source)
Orthoporus sanctus Chamberlin, 1947 (additional source)
Pachydesmus crassicutis (Wood, 1864) (additional source)
Parajulus ellipticus (Bollman, 1887) (additional source)
Pseudotremia indianae Chamberlin & Hoffman, 1958 (original description)
Pseudotremia vudii Cope, 1869 (additional source)
Rhiscosomides Silvestri, 1909 (additional source)
Rhiscosomididae Silvestri, 1909 (additional source)
Tynomma mutans (Chamberlin, 1910) (additional source)