Cylindrogonus tumidus Loomis, 1974: 182

Holotype: 1 ♂. HOLOTYPE / 1 ♂/ DIPLOPODA / TRICHOPOLYDESMIDAE / Cylindrogonus tumidus / Loomis/ det. H. F. Loomis/ COSTA RICA: Prov. of/ San Jose, San Isidro,/ Cerro de la Muerte,/ Inter-American Hwy./ 19-IV-1972 / E. M. & H. F. Loomis/ altitude 8,500 ft. // HOLOTYPE ♂ // [barcode label] FSCA 00070731 // [hw label in microvial] HOLOTYPE ♂.

Conservation status: Fair condition; in 75% EtOH.