Cryptic Speciation in Brazilian Epiperipatus (Onychophora: Peripatidae) Reveals an Underestimated Diversity among the Peripatid Velvet Worms Oliveira, Ivo S. ; Lacorte, Gustavo A. ; Fonseca, Cleusa G. ; Wieloch, Alfredo H. ; Mayer, Georg Abstract Publication: PLoS ONE Pub Date: June 2011 DOI: 10.1371/journal.pone.0019973 Bibcode: 2011PLoSO...619973O