| http://www.w3.org/ns/prov#value | - There is no way of knowing whether a fossil is a direct ancestor of a more recent species or represents a related line of descent (lineage) that simply became extinct. (Knox B., Ladiges P. & Evans B., eds., Biology, [1994], McGraw-Hill: Sydney, Australia, 1995, reprint, p.663) . [Top of page]
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