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Figure 2 | BMC Evolutionary Biology

Figure 2

From: Competition and mimicry: the curious case of chaetae in brachiopods from the middle Cambrian Burgess Shale

Figure 2

Micromitra burgessensis from the middle (Series 3, Stage 5) Cambrian Burgess Shale. A-B, USNM 69646, Walcott Quarry, Phyllopod Bed. A, Plan view. B, Close up of anteromedial chaetae, scale bar 1 mm C, ROM63175, RQ + 8.1 m, Plan view. D, ROM57603, BW-120 cm, Plan view. E-F, ROM63176, RQ + 8.2 m. E, Plan view. F, Close up of anteromedial chaetae, scale bar 1 mm. G, ROM63177, BW-235 cm, Micromitra with swept chaetae, scale bar 1 mm. H, ROM63178, WT talus. Plan view. I, ROM57597, BW-235, Dissociated valves with chaetae preserved, scale bar 2.5 mm. J-M, ROM63180, WQ + 30. J, Close up of anteromedial chaetae, scale bar 1 mm. K, Plan view of Micromitra attached to Pirania. L, Close up of posterolateral chaetae. M, Close up of anteromedial chaetae, scale bar 2.5 mm. N-R, ROM63181, RQ + 8.4 m. N-O, Plan views. P-Q, Close up of chaetae, scale bars 2.5 mm. R, Close up of anteromedial chaetae, scale bars 2.5 mm. Scale bars 5 mm unless otherwise stated.

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