Fig. 2From: Exploring Phylogeny at the Tree of Life Web ProjectToL page for Acanthostega gunnari, indicating the general characteristics of a page at the site for a taxon. Page: http://www.tolweb.org/Acanthostega. Accessed 4 October 2010. Note the annotation in the upper right, “tol-reviewed.” See “The Project’s Authority” for more information about this and other annotations concerning quality controlBack to article page