Neoleptastacus reductaspina Sak et al. 2008

Neoleptastacus reductaspina (Mielke, 1987) Arenopontia reductaspina Mielke, 1987 Arenopontia (Neoleptastacus) reductaspina Mielke, 1987: Bodin (1988: 163) Neoleptastacus reductaspina (Mielke, 1987) Sak et al. (2008: 412) Original description. Mielke (1987): 343 –344; Abb. 18. Type locality. Chile, Tarapacá Region, Iquique Province, Iquique, Playa Cavancha; public beach, fine greyish sand. Body length. 360–380 μm (♀), 360–370 μm (♂). Remarks. Neoleptastacus reductaspina can be distinguished from P. ornamentus by (1) P3 enp-1 with only one seta (vs two setae), (2) P4 enp-2 outer seta only half the length of inner one (vs 3/4 length), (3) P5 of both sexes with only two elements between outer basal seta and inner spinous process (vs three elements), (4) shorter caudal ramus, and (5) posterior margin of anal somite without spinules between bases of caudal rami (vs with). The species is so far known only from the type locality where it occurs sympatrically with N. ornamentus (Mielke 1987).