Zhao et al.—Early Cambrian scleritomes of Chancelloriida, China 92(6):955–971
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Figure 5. Allonnia tenuis n. sp. (1) YN-GLF-PAL-34; (2) YN-GLF-PAL-66, white arrow points to an ascending ray on the body margin; (3) YN-GLF- PAL-44, white arrow points to an ascending ray on the body margin; (4) detail of (1) (position marked by frame), white arrow points to the three-dimensionally preserved basal part of an ascending ray and yellow arrow points to the pit left by an ascending ray. Scale bars=5mm for (1), 1mm for (2–4).