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Freely available via Imperial College London’s Spiral repository Abstract: Although the term ‘living fossil’ has been around for over 150 years, it remains scientifically undefined and contentious. Generally, it refers to any taxon that is evolutionarily unique, species-poor and exhibits traits closely resembling those of extinct taxa.

Abstract: The phylogenetic approach in biodiversity science is an important and growing set of tools used for a wide range of questions and applications from conservation assessment to testing patterns in community assembly.