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Figure 11 | BMC Evolutionary Biology

Figure 11

From: Arthroaspisn. gen., a common element of the Sirius Passet Lagerstätte (Cambrian, North Greenland), sheds light on trilobite ancestry

Figure 11

Postantennular appendages of Arthroaspis bergstroemi n. gen. n. sp. A. MGUH 30383, limb axis with body–limb joint; B. MGUH 30394, isolated limb showing proximal part of limb axis with basipod and first endopod podomere, and proximal portion of exopod, arrow marks the proximal margin of the basipod; C. MGUH 30419, proximal part of isolated limb, showing large, inward rotated basipod endite and four endopod podomeres; D. MGUH 30395, podomeres 3–6 of endopod with mediodistal spines on podomeres three and four; E. MGUH 30396, distal portion of endopod, showing distal podomere; F. MGUH 30409, impressions of limb axes with boundaries of basipod and seven podomeres discernible (ventral aspect).

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BMC Ecology and Evolution

ISSN: 2730-7182

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