FIGURE 44. P5 in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa

FIGURE 44. P5 ischium, long in Palicidae (A) and Retroplumidae (C), short in Crossotonotidae (B). A, Palicoides longimanus (Miyake, 1936), female 14.7 × 17.0 mm, New Caledonia (MNHN-B26791); B, Crossotonotus spinipes (de Man, 1888), male 36.9 × 43.3 mm, New Caledonia (MNHN-B26803): penis emerging from P5 coxo-sternal condyle and pulled out from sternite 8 invagination; basis-ischium concealed under coxa. C, Retropluma quadrata Saint Laurent, 1989, with attached ciliates (after Saint Laurent 1989: fig. 9; unknown size). b, basis; c, coxo-sternal condyle; cx5, P5 coxa; i, ischium; p, penis; pa, papilla. Scale bars: 3 mm (A); 1 cm (B).