Key to species of Pandirodesmus 1. Male unknown, adult female larger: length ca 13 mm, width 2.1 mm (Guyana)................ P. disparipes Silvestri, 1932 - Adult males and females smaller, up to 1.4 mm in width...................................................... 2 2. Gonopodal telopodite with a shorter and less strongly curved primary branch (pb), a larger prefemoral process (pfp) with more numerous “folds”, and a shorter and more stout secondary branch (sb) (Tobago)...... P. rutherfordi Shelley & Smith, 2015 - Telopodite with a longer and more strongly curved primary branch (pb).......................................... 3 3. Prefemoral process (pfp) with fewer “folds”, wide, and ventrally curved laterally as hook-shape and a longer and slimmer secondary branch (sb) (Trinidad)....................... P. jaggernauthi VandenSpiegel, Golovatch & Rutherford, 2022 - Prefemoral process (pfp) elongated, broad and with a subtruncated apex, and a small and broad secondary branch (sb) with basolateral fold inflexed ventrally (Brazil).................................................... P. zogbiae sp. nov.

Published as part of Romero-Rincon, Juan, Bouzan, Rodrigo S. & Ferreira, Rodrigo L., 2025, The first troglobitic species of the extraordinary genus Pandirodesmus Silvestri, 1932 from the Brazilian Amazon (Polydesmida, Chelodesmidae, Pandirodesmini), pp. 571-584 in Zootaxa 5673 (4) on page 581, DOI: 10.11646/zootaxa.5673.4.5, http://zenodo.org/record/16982669