FIGURE 39 in A revision of the Palaeocorystoidea and the phylogeny of raninoidian crabs (Crustacea, Decapoda, Brachyura, Podotremata) 3215

FIGURE 39. Various conditions of the double peg in Palaeocorystoidea; A, B, Joeranina broderipii (Mantell, 1844) n. comb. (Palaeocorystidae), MAB k. 2892 (female), Albian, Escalles (Calais, northern France); ventral view showing sternum and pereiopods, and detail showing worn double peg on episternite 5; C, D, Notopocorystes stokesii (Mantell, 1844) (Palaeocorystidae), MAB k. 2874 (female), Albian, Escalles (Calais, northern France); ventral view showing mxp3, pterygostome, sternum and pereiopods, and detail showing weak double peg at episternite 5 and P3 coxa with gonopore; E, F, Camarocarcinus quinquetuberculatus Collins & Wienberg Rasmussen, 1992 (Camarocarcinidae), MGUH 21609 (holotype; indeterminate sex), middle Paleocene, central Nûgssuaq, western Greenland; detail of sternum, arrows indicating damaged abdominal holding system, and ventral view showing P1 coxae and sternum. 5, thoracic sternite 5; 5/6, thoracic sternal suture 5/6; cx3, P3 coxa; dp, distal peg; e5, episternite 5, gp, female gonopore; p, peg (undifferentiated); sp, subdistal peg. Scale bars: A, C, F: 5mm; B, D, E: 2mm.