Of particular importance is the presence of the crossopterygian group, typified by Eusthenopteron foordi and Elpistostege watsoni.    From Wordnik.com.  [Miguasha Provincial Park, Canada] Reference

Look at the comparison of the oldest known amphibian skeleton, Ichthyostega IK-the-o-STAY-ga, with a crossopterygian fish shown in Figure 4-8.    From Wordnik.com.  [Transitions on the DI blog - The Panda's Thumb] Reference

Important specimens include Legendrelepis parenti of the agnatha fish group and unique to the Escuminac Formation; Diplocanthus horridus of the acanthodian fish group, and the first jawed fish to evolve; Cheirolepis canadensis of the group actinopterygians, from which 90% of all fish today have derived; Scaumenacia curta, a fossil fish with both lungs and gills, and constituting an important climatic indicator; Miguashaia bureaui, morphologically identical to Latimeria chalumnae, the soul coelacanthi of today; Eusthenopteron foordi of the crossopterygian group, exhibiting several features comparable to the first tetrapods; Petaloscorpio bureaui, a rare aquatic vertebrate of the Escuminac Formation, constituting an important indicator of the paleoenvironment; and Archaeopteris halliana, a plant species and precursor to modern-day gymnosperms.    From Wordnik.com.  [Miguasha Provincial Park, Canada] Reference