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Tail feathers in Jeholornis sp. (A) Close-up of the tail in STM3-30 preserving both the proximal fan and distal frond. (B) Tail in Jeholornis palmapenis holotype SDM 20090109.1 preserving nearly complete caudal plumage. (C) Close-up of the distal tail frond in the counter slab of J. palmapenis SDM 20090109.2. (D) Full slab of STM3-4 preserving both the proximal fan and distal frond. (Scale bars: 3 cm.)
