Cleidogona mandeli Chamberlin, 1952 (original description)
Cleidogona punctifer Chamberlin, 1952 (original description)
Cleidogona tajumulco Chamberlin, 1952 (original description)
Orthoporus bisulcatus Chamberlin, 1952 (original description)
Orthoporus bobos Chamberlin, 1952 (original description)
Orthoporus cienogonus Chamberlin, 1952 (original description)
Orthoporus cobanus Chamberlin, 1922 (additional source)
Orthoporus euthus Chamberlin, 1952 (original description)
Orthoporus gracilior Chamberlin, 1952 (original description)
Orthoporus tehuacanus Chamberlin, 1952 (original description)
Orthoporus unciferens Chamberlin, 1952 (original description)
Parajulus schmidti Chamberlin, 1952 (original description)
Parajulus schmidti schmidti Chamberlin, 1952 (original description)
Parajulus viganus Chamberlin, 1952 (original description)
Phallorthus Chamberlin, 1952 (original description)
Phallorthus columbianus Chamberlin, 1952 (original description)
Platydesmus calus Chamberlin, 1952 (original description)
Platydesmus crucis Chamberlin, 1952 (original description)
Platydesmus excisus Chamberlin, 1952 (original description)
Platydesmus perditus Chamberlin, 1952 (original description)
Platydesmus perpictus Pocock, 1910 (additional source)
Platydesmus triangulifer Pocock, 1910 (additional source)
Prostemmiulus atypus Chamberlin, 1952 (original description)
Prostemmiulus obscurus Chamberlin, 1952 (original description)