gracilis Humbert & Saussure, 1869a: 149 [ Sphaeriodesmus].

Cordillera mexicana . Unspecified series.

Saussure & Humbert (1872) gave a more detailed redescription (explicitly stating that there was more than one specimen) and a more precise type locality “Cordillère oriental, Moyoapan.” No specimens found in the MHNG. The whereabouts of the type specimens is unknown.

Cylionus gracilis (Humbert & Saussure, 1869)