FIGURES 9–14 in The millipede family Striariidae Bollman, 1893. VII. Petra sierwaldae, n. gen., n. sp. a minute millipede from Idaho, USA (Diplopoda, Chordeumatida, Striariidae)

FIGURES 9–14. Male paratype (FMNH) of Petra sierwaldae n. gen., n. sp. 9. Gonopods and leg pair 9, anterior view. 10. Right gonopod, mesal view, anterior to the right. 11. Coxotelopodites leg pair 9, posterior view. 12. Right gonopod, mesal view, anterior to the right. 13. Right gonopod, lateral view, anterior to the left. 14. Coxotelopodite of left leg 9, posterior view. Abbreviations: aac, anterior angiocoxite; cx, gonopod coxa; cc, colpocoxite; cxp, coxal process; fc, flagellocoxite; pac?, posterior angiocoxite; s, sternum; t9, telopodite of leg 9.