Figure 7

H. armiger at embryonic Stages 19-23 and the fetal stage. (A1-A6) Stage 19. (B1-B6) Stage 22. (C1-C6) Stage 23. (D1-D6) fetal stage. (A1, B1, C1, D1) Lateral view with dorsal to the right; (A2, B2, C2, D2) Ventral view; (A3, B3, C3, D3) Dorsal view of the head and trunk; (A4, B4, C4, D4) Dorsal view of the trunk and tail; (A5, B5, C5, D5) Close-up for the left forelimb; (A6, B6, C6, D6) Close-up for the left hindlimb. a, autopod; cl, claw; cp, claw primordium; s, stylopod; z, zeugopod. Bar = 1 mm in A4, B4, C4, D4 (applies to A1-4, B1-4, C1-4, D1-4), A5-6, B5-6, C5-6 and D5-6.