LibGuides: Paleontology: Reference Sites & Sources

Background Information & Reference Sources

GSA Geologic Time Scale
Version 6.0. Updated October 2022
Index Fossils Chart (USGS)
Forms of life which existed during limited periods of geologic time and thus are used as guides to the age of the rocks in which they are preserved
International Chronostratigraphic Chart
The latest version of the International Chronostratigraphic Chart (v2024-12) which visually presents the time periods and hierarchy of stratigraphic names of Earth's geological history.
Mass Extinctions Through Geologic Time
A timeline of Earth's five mass extinction events.
North American Stratigraphic Code
Recommended procedures for classifying and naming stratigraphic and related units prepared under the auspices of the North American Commission on Stratigraphic Nomenclature

BOLD Systems
The Barcode of Life Data Systems with DNA barcode library, taxonomy, identification, workbench, and other resources. Supports DNA-based species identification and monitoring
Composition of Scientific Words
A manual and lexicon for creating scientific terms by explaining the history and structure of Greek and Latin roots
Lewis & Short Latin Dictionary
A well-known, classic Latin dictionary.
Tree of Life Web Project
A collaborative effort of biologists to provide information about biodiversity, the characteristics of different groups of organisms, and their evolutionary history
International Fossils Plant Name Index
a comprehensive literature based record of the scientific names of all fossil plants, algae, fungi, allied prokaryotic forms, protists (ambiregnal organisms) and microproblematica.
William Whitaker's Words
A digital Latin-English dictionary. Can be downloaded of used online.