Biostratigraphy
Videos
Biostratigraphy is the branch of stratigraphy which focuses on correlating and assigning relative ages of rock strata by using the fossil assemblages contained within them. The primary objective of bi
The first reef builder is a worldwide index fossil for the Lower Cambrian
Amplexograptus, a graptolite index fossil, from the Ordovician near Caney Springs, Tennessee.
Image displaying newly discovered fossil being introduced into the succession sequence.
Tyrannosaurus Rex Holotype
Vole
Videos
Voles are small rodents that are relatives of lemmings and hamsters, but with a stouter body; a longer, hairy tail; a slightly rounder head; smaller eyes and ears; and differently formed molars. They
Biostratigraphy
…to identify, more precise time estimating of the stratigraphic layers is possible. In terrestrial late Miocene, Pliocene and Pleistocene sediments, vole teeth are frequently used as index fossils (sometimes called the "vole clock"). Some authors have argued that based on size variation that vole teeth…
Bank vole