FIGURE 37 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 37. Podotreme condition and spermatheca at extremity of suture 7/8 in fossil podotreme †Basinotopus tricornis Collins & Jakobsen, 2004 (Dynomeniformia Dromiidae †Basinotopinae), Eocene of Denmark. A, thoracic sternum; B, detail. cx1–cx3, P1–P3 coxae; e4, e5, episternites 4, 5; g, gonopore; s, spermatheca; 4–8, thoracic sternites 4–8; S6/7, S7/8, thoracic sternal sutures 6/7, 7/8. Scale bars: 5 mm. Modified from Collins & Jakobsen 2004: fig. 1b.