Noun
biostratigraphy (uncountable)
(biology, geology) The study of the stratigraphic distribution of fossils.
However, fossils of species that survived for a relatively short time can be used to link up isolated rocks: this technique is called biostratigraphy. Source: Internet
Methods and applications of Cenozoic marine diatom biostratigraphy. Source: Internet
Misleading results are produced if the index fossils are incorrectly dated. citation Stratigraphy and biostratigraphy can in general provide only relative dating (A was before B), which is often sufficient for studying evolution. Source: Internet
The discipline of palynology is devoted to the study of pollen, which can be used both for biostratigraphy and to gain information about the abundance and variety of plants alive — which can itself yield important information about paleoclimates. Source: Internet