Spirobolini, Shelley & Floyd, 2014

Shelley, Rowland M. & Floyd, Samuel D., 2014, Expanded concept of the milliped family Spirobolidae Diplopoda: Spirobolida: Spirobolidea): Proposals of Aztecolini n. tribe and Floridobolinae / ini and Tylobolini n. stats.; (re) descriptions of Floridobolus and F. penneri, both Causey, 1957, and F. orini n. sp.; hypotheses on origins and affinities, Insecta Mundi 2014 (357), pp. 1-50 : 28

Tribe Spirobolini , new status

Type-genus. Spirobolus Brandt, 1833 .

Diagnosis. Posterior gonopod telopodite curving broadly mediad. Prefemoral process with variably irregular or bulbous basal part and longer and variably dactyliform or short and irregularly broad distal part, recessed within or positioned outside of deeply cupulate acropodite. Latter with deep central cavity/depression, either lying beside prefemoral process or overhanging and enveloping latter, margins smooth and continuous, without irregularities, indentations, and projections.