Cylindroiulus villumi Reboleira & Enghoff, 2018, live specimen from Algar do Pena Cave, Portugal.

  
  Part of: Reboleira ASPS, Eusébio RP (2023) Cave-adapted millipedes from Portugal: species conservation profiles. Biodiversity Data Journal 11: e110382. https://doi.org/10.3897/BDJ.11.e110382