Fossils have been used in an ''ad hoc'' manner to interpret climate since the beginnings of geology as a science, but a systematic methodology for using fossils to assess climate is still lacking. The following elements can contribute to such a methodology: | Fossils have been used in an ''ad hoc'' manner to interpret climate since the beginnings of geology as a science, but a systematic methodology for using fossils to assess climate is still lacking. The following elements can contribute to such a methodology: |