Figs 25a–k in Revision of some of the oldest species in the millipede genus Sphaerotherium Brandt, 1833 (Diplopoda, Sphaerotheriida, Sphaerotheriidae), with new synonymies

Figs 25a–k: Paralectotypes of Sphaerotherium compressum (a–c, e–g) and Sphaerotherium trichopygum (d, h–j, k). a: apical part of antenna; b: lateral aspect of ^; c: median keel of tergite 3; d: lateral aspect of posterior part of Ò; e: cyphopod; f: endotergum; g: leg 9 (arrow: coxal lobe); h: posterior aspect of pygidium in Ò; i: posterior view of anterior telopod; j: anterior aspect of posterior telopods; k: posterior aspect of apical part of telopod.