Students use fossil range charts to explain relative dating. They graph for ammonites, marine organisms that went extinct at the same time as dinosaurs.

This particular site is part of a larger online exhibit from the Natural History Museum covering various aspects of fossils and fossil research. Here, seven types of fossils are listed and each type is given a picture representation.

Explains the importance of index fossils for the dating and chronology of events in the fossil and geological records. Discusses uses and examples of index fossils in the Cenozoic, Mesozoic, and Paleozoic Eras.

This site from BibleTutor is a short look at Jonah, a character in the Hebrew Scriptures. This site includes links to sites with related information.

This Bible Tutor site offers a brief description of the Prophet Amos and his Book in the Bible. Links are also provided for additional information on related people, as well as Biblical references on the subject.

Ammonoids, more commonly referred to as Ammonites, are the extinct ancestors of today's octopus, squid and nautilus. This page shows several types.