Siliquobolellus constrictus gen. et sp. nov., holotype, gonopods (specimen from Ban Yang Chum, CUMZ-D00150-1). A. Anterior gonopod, anterior view; B. Anterior gonopod, posterior view, arrow indicates a thumb-like process, with longitudinal ridge; C. Right posterior gonopod, lateral view; D. Anterior gonopod, anterior view; E. Anterior gonopod, posterior view; F. Right posterior gonopod, lateral view; G. SEM, Left posterior gonopod, lateral view; H. SEM, Left posterior gonopod, latero-mesal view; I. SEM, tip of left posterior gonopod, latero-mesal view; J. SEM, Mesal part of left posterior gonopod, lateral view; K. SEM, left female vulva, posterior mesal view. at = anterior gonopod telopodite; cx = coxa; oeg = opening of efferent groove; op = operculum of vulva; pcx = coxal part of the posterior gonopod telopodite; pt = telopodital part of the posterior gonopod telopodite; st = sternal process.

 
 
  Part of: Pimvichai P, Enghoff H, Panha S, Backeljau T (2022) A new genus of Pseudospirobolellidae (Diplopoda, Spirobolida) from limestone karst areas in Thailand, with descriptions of three new species. Zoosystematics and Evolution 98(2): 313-326. https://doi.org/10.3897/zse.98.90032