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. 2018 Sep 29;18:147. doi: 10.1186/s12862-018-1262-6

Fig. 5.

Fig. 5

Fuxianhuia protensa stage 24. a and b ELI 0034, stage 24a; (c and d) ELI 0373A, stage 24b; (e and f) ELI 0373B; counterpart, stage 24b. Abn, abdominal tergite; ant, antennae; asc, anterior sclerite; hs, head shield; rt., reduced anterior tergites; SPA, specialized post-antennal appendage; tf, tail flukes; Thn, thoracic tergite; wl, walking legs