Graph, Number of Families Over Geological Time Periods, September 1989

Creator

Scientific American

Files

Publication Date

9-1989

Abstract

A graph illustrating the number of families of organisms over geological time periods, including the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous, and Tertiary periods. The chart shows the rise and fall in diversity, with visual representations of notable fossil groups.

Keywords

Marine Science, Oceanography, Organisms, Animals

Extent

1 graph

Physical Collection

Dr. John Ogden Caribbean and Coral Reef Collection

Box

1

Folder

Binder 2

Language

English

Digital Date

2024

Media Type

Graphs

Identifier

O19-02216

Recommended Citation

Scientific American, "Graph, Number of Families Over Geological Time Periods, September 1989" (1989). Binder 02: Field Notes and Documents. 66.
https://digitalcommons.usf.edu/ogden2_notes/66