The Paleontological Institute is pleased to announce the publication of a new article in Treatise Online. It is available at https://journals.ku.edu/index.php/treatiseonline, and through the Paleontological Institute web site : http://paleo.ku.edu. Members of the Paleontological Society, the Palaeontological Association, and SEPM can access the pdf files for free directly through their respective member web pages.

Treatise Online no. 66: Part G, Revised, Volume 2, Chapter 8A: Order Fenestrata: Morphology and Growth
Frank K. McKinney, Patrick N. Wyse Jackson $49.95.

The Paleontological Institute is pleased to announce the publication of a new article in Treatise Online. It is available at https://journals.ku.edu/index.php/treatiseonline, and through the Paleontological Institute web site : http://paleo.ku.edu. Members of the Paleontological Society, the Palaeontological Association, and SEPM can access the pdf files for free directly through their respective member web pages.

Treatise Online no. 67 (2015): Part R, Revised, Volume 1, Chapter 8H: Systematic Descriptions: Infraorder Achelata 

by Carrie E. Schweitzer, Rodney M. Feldmann, Hiroaki Karasawa & Alessandro Garassino
 
Treatise Online 67: 1–17, 12 figs., $13.95.