Figure 2. Parastacus longidactylus sp. n., holotype (MZUSP 45071) and female paratype (MZUSP 45072). A, Epistome (holotype); B, thoracic sternites and gonopores (holotype); C, thoracomere 8, caudal view (holotype); D, antennal scale lateral view (female paratype); E, mandible (female paratype); F, third maxilliped, ventral view (female paratype); G, third maxilliped, dorsal view (female paratype); H, first pereiopod, lateral view (holotype); I, first pereiopod, dorsal view (holotype); J, second pereiopod, lateral view (holotype). Scale bars: B = 10 mm; H–J = 5 mm; A, F, G = 3.33 mm; E = 2.5 mm; C = 2 mm; D = 1.5 mm.

Published as part of Huber, Augusto Frederico, Araujo, Paula Beatriz de & Ribeiro, Felipe Bezerra, 2024, A new freshwater crayfish species of Parastacus Huxley, 1879 (Malacostraca: Decapoda: Parastacidae) from southern Brazil, pp. 1-17 in Nauplius (e20230496) 32 on page 4, DOI: 10.1590/2358-2936e20230496, http://zenodo.org/record/10716860