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. 2015 Jun 8;10(6):e0129526. doi: 10.1371/journal.pone.0129526

Fig 3. Lichen fossil from Bitterfeld amber (specimen GZG.BST.27313).

Fig 3

(A–C) Overviews of specimen (scale bars 1 mm in A and B, and 500 μm in (C). (D) Detail showing surface of one of the thinner branches (scale bar 10 μm). (E) Cross section of one of the thicker branches. Central void or canal in thallus filled with amber (scale bar 50 μm). (F) Close up of perforate formations leading from central void to thallus surface (scale bar 10 μm). (G) Close up of putative linear pseudocyphella on surface of smaller branch (arrowhead) (scale bar 50 μm).