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. 2016 Jun 22;11(6):e0156847. doi: 10.1371/journal.pone.0156847

Fig 2. Fossil termite nest and fungus comb with comparative Holocene-Recent examples.

Fig 2

(A) In situ fossil termite nest (Vondrichnus planoglobus; RRBP-08248a) with Microfavichnus alveolatus fungus comb trace fossil inside. (B) Backscatter electron (BSE) image of fossilized mylosphere with homogeneous composition of 5–10 μm macerated cellulose and calcified tracheids (elongated cells from the xylem of vascular plants). Inset: Scanning electron microscope (SEM) image of Microfavichnus in (A) showing compressed mylospheres and clay infill. (C, D) Photograph (C) and cartoon (D) of cross-section of RRBP-08248a (A). (E) Holocene fungus chamber with fungus comb, near the Galula Village along the Songwe River, Tanzania. (F) Modern Microtermes fungus comb, Malaysia (photo: Termite Web). Inset: Modern Macrotermes fungus comb.