Understanding ancient life: How Martin Brasier changed the way we think about the fossil record

Jonathan B. Antcliffe, Alexander G. Liu, Latha R. Menon, Duncan McIlroy, Nicola McLoughlin, David Wacey

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Crucial to our understanding of life on Earth is the ability to judge the validity of claims of very ancient ‘fossils’. Martin Brasier's most important contribution to this debate was to establish a framework within which to discuss claims of the ‘oldest’ life. In particular, he made it clear that the burden of proof must fall on those making the claim of ancient life, not those refuting it. This led to his formulation of the concept of the continuum of morphologies produced by life and non-life and the considerable challenges of differentiating biogenesis from abiogenesis. Martin Brasier developed a set of criteria for distinguishing life from non-life and extended the use of many new high-resolution analytical techniques to palaeontological research. He was also renowned for his work on the Cambrian explosion and the origin of animals. Although he had spent much of his early career working on the geological context of these events, it was not until he returned to studying the Ediacaran and Cambrian periods in his later years that he began to apply this null hypothesis way of thinking to these other major transitions in the history of life. This led to him becoming involved in the development of a series of nested null hypotheses, his ‘cone of contention’, to analyse enigmatic fossils more generally. In short, Martin Brasier taught us how to formulate biological hypotheses in deep time, established the rules for how those hypotheses should be tested and championed a host of novel analytical techniques to gather the data required. As a consequence, future discussions of enigmatic specimens and very old fossils will be greatly enriched by his contributions.
Original languageEnglish
Pages (from-to)19-31
JournalGeological Society Special Publication
Volume448
DOIs
Publication statusPublished - 2017

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fossil record
Explosions
Cones
Animals
Earth (planet)
fossil
analytical method
Ediacaran
explosion
animal
history

Cite this

Antcliffe, Jonathan B. ; Liu, Alexander G. ; Menon, Latha R. ; McIlroy, Duncan ; McLoughlin, Nicola ; Wacey, David. / Understanding ancient life: How Martin Brasier changed the way we think about the fossil record. In: Geological Society Special Publication. 2017 ; Vol. 448. pp. 19-31.
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Understanding ancient life: How Martin Brasier changed the way we think about the fossil record. / Antcliffe, Jonathan B.; Liu, Alexander G.; Menon, Latha R.; McIlroy, Duncan; McLoughlin, Nicola; Wacey, David.

In: Geological Society Special Publication, Vol. 448, 2017, p. 19-31.

Research output: Contribution to journalArticle

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