Shape of primary papillae (holotype, except when mentioned) of Epiperipatus beckeri sp. nov., E. piperipatus lucerna sp. nov., Epiperipatus marajoara sp. nov., Epiperipatus hyperbolicus sp. nov. and Epiperipatus titanicus sp. nov. (7) Epiperipatus titanicus sp. nov. (MNRJ 0057); (8) Epiperipatus marajoara sp. nov. (MZUSP 0022); (9) Epiperipatus lucerna sp. nov. MNRJ 0101; (10) Epiperipatus beckeri sp. nov. (MNRJ 0045); (11–12), Epiperipatus hyperbolicus sp. nov. (MNRJ 0104). Scales bars: 7, 12 (also in the small box of Fig. 9) = 10 µm, 8–11 = 20 µm.