FIGURE 1 in Taxonomic review of the genus Parastacus Huxley, 1879 (Decapoda: Astacidea: Parastacidae) with description of five new species

FIGURE 1. Morphological characters used for species description of the body parts of the freshwater crayfish genus Parastacus: A—­ habitus; B—­ Cephalon lateral view; C—­ first to third pleonal pleurae; D—­ epistome; E—­ thoracic sternites; F—­ thoracomere 8 caudal view. a1 = antennule, a2 = antenna, als = anterolateral section, aml = anteromedian lobe, Are = areola, as = antennal scale, bcg = branchiostegal groove, bl = bullar lobes, cg = cervical groove, Ct = Cephalothorax, di = diaresis, end = endopod, exo = exopod, ey = eye, fg = female gonopore, lg = longitudinal groove, lp = lateral process, ls = lateral spine, mcp = male cuticle partition, mg = male gonopore, mk = median keel, np = nephropore, pcg = postcervical groove, pls = posterolateral section, pp = protopod, p1 (che) = pereopod 1 (cheliped), p2 = pereopod 2, p3 = pereopod 3, p4 = pereopod 4, p5 = pereopod 5, Pl = pleon, poc = post orbital carina, ra = rostral apex, rc = rostral carina, ro = rostrum, rs = rostrum spine, soa = suborbital angle, sb = sternopleural bridge, SI, II, III = pleonal somite I, II and III, Te = telson, uro = uropod, va = vertical arm.