data&figures
Data & Figures
contents
Contents
georef
GeoRef
supplements
Supplements
references
References
related
Related
1 May 1995
Index Terms/Descriptors
- biologic evolution
- biometry
- biostratigraphy
- biozones
- bivariate analysis
- Canada
- cladistics
- correlation
- discriminant analysis
- Dolgeville Formation
- Eastern Canada
- Graptolithina
- Invertebrata
- Middle Ordovician
- Mohawk Valley
- morphology
- New York
- North America
- Ordovician
- Paleozoic
- phylogeny
- punctuated equilibria
- Quebec
- revision
- Saint Lawrence Valley
- speciation
- statistical analysis
- taxonomy
- Trenton Group
- Trentonian
- United States
- Upper Ordovician
- Utica Shale
- central New York
- Nicolet River Formation
- Orthograptus
- Orthograptus quadrimucronatus
- Orthograptidae
- Orthograptinae
- Neuville Quebec
- Breault Member
- Orthograptus pageanus maximus
- Saint Angele Quebec
Latitude & Longitude
