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Home    Projects     Diversity of Cottus  Phylogeny & Maps

Phylogenetic Trees

Sculpin DNA Home | Current Contributions Map | Phylogeny | Presentations, Publications, and Posters | Contact

We are using genetic tools to clarify the identity and relationships among species. These include phylogenetic trees based on genetic sequences. Please see below for links to tree files in various formats.

screen capture of a small part of the  phylogenetic tree in the PDF file linked.
  Figure 1. The maximum-likelihood phylogeny of Cottus based on concatenated mitochondrial and nuclear sequences of the four-gene dataset. This is the base file for Figure 4 in Young et al. (2022). This is a viewable PDF.  

 

 

Figure 2. A neighbor-joining tree of COI sequences (n = 4,266) from this study and public databases used to diagnose candidate species. This is the base file for Supplemental Figure 5 in Young et al. (2022). The label for each sequence reads “CNN-FNN-NNNN Location” for which CNN is the candidate species label, FNN is the form label, NNNN is the specimen code, and Location is the water body name and state, province, or country. These labels and codes are available in the Excel file on this website, or from Supplemental File 2 in Young et al. (2022; shown below). This is a tree file in NWK format that can be opened in a variety of tree-reading programs.

Supplemental materials (1.5 MB zip file)

 

 

 

Figure 3. A neighbor-joining tree of cytb sequences (n = 1,152) from this study and public databases used to diagnose candidate species. This is the base file for Supplemental Figure 6 in Young et al. (2022). The label for each sequence reads “CNN-FNN-NNNN Location” for which CNN is the candidate species label, FNN is the form label, NNNN is the specimen code, and Location is the water body name and state, province, or country. These labels and codes are available in the Excel file on this website, or from Supplemental File 2 in Young et al. (2022; shown below). This is a tree file in NWK format that can be opened in a variety of tree-reading programs.

Supplemental materials (1.5 MB zip file)

 

For further details, you can download the publication and supplemental materials describing this work from TreeSearch:  Young, Michael K.; Smith, Rebecca; Pilgrim, Kristine L.; Isaak, Daniel J.; McKelvey, Kevin S.; Parkes, Sharon; Egge, Jacob; Schwartz, Michael K. 2022. A molecular taxonomy of Cottus in western North America. Western North American Naturalist 82(2): 307-345. https://doi.org/10.3398/064.082.0208

 

Sculpin Qwest Contact


Michael K. Young - Research Fisheries Biologist

USFS Rocky Mountain Research Station
Forestry Sciences Lab
800 East Beckwith Avenue
Missoula, MT 59801
Phone: 406-542-3254
michael.k.young@usda.gov


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