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Supplementary Figure 2. Fuxianhuiids are mandibulates and share affinities with total-group Myriapoda

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posted on 15.02.2021, 08:44 by Cédric Aria, Fangchen Zhao, Maoyan Zhu
Supplementary Figure 2. Fuxianhuiids from the Hongjingshao Formation (Xiaoshiba biota). A, B. Alacaris multinoda YKLP 12268 (holotype). A, Anterior portion of specimen showing large labral plates, atrium and basipods with prominent endites. Inset is B. B. Close-up of limb bases in A showing four long and spinose endites, with the proximalmost endites possibly buried in sediment due to the inclination of the appendage. C. Chengjiangocaris kunmingensis YKLP 12307, with mandibular gnathal edges impressed under labral lobes. D. Alacaris mirabilis YKLP 12310a, showing a similar configuration as C, as well as the probable maxillules and maxillae. Arrowheads in C and D point to margins between hypostome and labral sclerites. All pictures courtesy of Xiguang Zhang. Abbreviations: an, antennule; ao, atrium oris; ca, carapace; en, endite n; hy, hypostome; lb, labrum; le, left eye; ma, mandible; ml, maxilla; mu, maxillule; os, ocular sclerite; re, right eye. Scale bars: A, C, 5 mm; B, D, 2.5 mm.

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