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Jaekelopterus howelli. Appendage VI and metastoma specimens. A: FMNH PE 61156, paddle. B: Counterpart to FMNH PE 61156. C: FMNH PE 61169, anterior of metastoma. D: FMNH PE 61175, anterior of metastoma. E: FMNH PE 61153, metastoma. F: Counterpart to FMNH PE 61153. G: FMNH PE 61165, metastoma. Scale bars = 10 mm.
