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Figure 12 | BMC Evolutionary Biology

Figure 12

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

Figure 12

Distal lobes of exopods of Arthroaspis bergstroemi n. gen. n. sp. A. MGUH 30410 (cpt), left side of thorax of large specimen that preserves imbricating exopods and limb axes three dimensionally on different layers of sediment, note lateral compactional folds (dorsal aspect); B. MGUH 30384, isolated distal lobe with setal fringe, lateral side down. Main joint on side opposite arrow, arrow points to possible articulation site with endopod; C. MGUH 30385, isolated distal lobe with setal fringe, lateral side down. Main joint on side opposite arrow, arrow points to possible articulation site with endopod.

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