FIGURE 39 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 39. †Notopocorystes stokesii (Mantell, 1844) (†Palaeocorystoidea †Palaeocorystidae), Middle Albian, France. A, indeterminate sex, carapace, dorsal view (MAB k. 2872); B, D, female 29.0 × 20.0 mm (overall) (MAB k. 2873): B, thoracic sternum; D, posterior part of sternum with spermathecae and "double peg" for abdominal-locking mechanism; C, female, height of image 17 mm (MAB k. 2874), with gonopore on P3 coxa and characteristic crescent-shaped sternal suture 4/5. cx2– cx4, P2–P4 coxae; c.s., crescent-shaped suture; d.p., double peg; e4, e5, episternites 4, 5; g, gonopore; G1, first gonopod; g4, gynglyme for P1 on thoracic sternite 4; g5, gynglyme for P2 on thoracic sternite 5; g6, gynglyme for P3 on thoracic sternite 6; s, spermatheca; 4–6, thoracic sternites 4–6. (Courtesy of B. van Bakel).