First description of a fossil as a fossil?

[Thomas Schlemmermeyer]

Sorry for my curiosity, giving continuity to these nice "the first
publication..." questions, I would like to know who made the first
description of a fossil as a fossil (i.e. as a trace of a formerly living
organism, and not as some strange mineral originating due to some strange,
universal, seminal laws)?

   Thomas

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Thomas Schlemmermeyer
Museu de Zoologia, Universidade de São Paulo
Caixa Postal 42694
CEP 04299-970
São Paulo, SP, Brasil