bio·stra·tig·ra·phy
| \ ˌbī-ō-strə-ˈti-grə-fē
\
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Definition of biostratigraphy
1
: the identification of fossils found within sedimentary rock strata as a method of determining the relative geologic age of the rock
also
: the branch of paleontology involving such identification
2
: the arrangement of fossils in rock strata
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“Biostratigraphy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biostratigraphy. Accessed 20 Oct. 2021.
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Time Traveler for biostratigraphy
The first known use of biostratigraphy was in 1921
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