What is another word for zone fossils?
Pronunciation: [zˈə͡ʊn fˈɒsə͡lz] (IPA) 
The term 'zone fossils' refers to fossils that are used to determine the geological age of rocks and sediments. However, there are several other terms that can be used to describe fossils that are similar in nature to zone fossils. These terms include index fossils, marker fossils, and guide fossils. Index fossils are those fossils that are found in specific geological periods and can be used to identify the age of rocks and sediments. Marker fossils are those that are found in distinct layers of rock and can be used to identify the boundaries between different geological periods. Guide fossils are those that provide additional information about the environment in which they lived and can be used to inform interpretations about past ecosystems and climates.
