FIGURE 2. Character evolution and gene expression in fossils.
From the following article:
Evolution of anatomy and gene control
Georgy Koentges
Nature 451, 658-663(7 February 2008)
doi:10.1038/451658a
Soft-tissue and molecular characteristics of fossils can be inferred from their respective phylogenetic position by using the 'extant phylogenetic bracket'9.