Unexplored richness: discovery of 31 new species of Giant Pill-Millipedes endemic to Madagascar, with a special emphasis on microendemism (Diplopoda, Sphaerotheriida) Author Wesener, Thomas text Zootaxa 2009 2009-05-11 2097 1 1 134 https://biotaxa.org/Zootaxa/article/view/zootaxa.2097.1.1 journal article 10.11646/zootaxa.2097.1.1 1175­5334 5316536 0E18167A-78EB-4079-8BF4-972A4AC88C69 Key to the Zoosphaerium neptunus species-group 1. Anal shield in males weakly bell-shaped. Third joint of posterior telopods slender with pointed tip. .......................... ............................................................................................................................................... Z. neptunus (Butler, 1872) - Anal shield in males strongly bell-shaped. Third joint of posterior telopods broad with stout tip. .............................. ......................................................................................................... Z. campanulatum ( de Saussure & Zehntner, 1897 )