FIGURE 2. Cyclocardia spp. A–D in Systematic position of two Pliocene carditids with description of Akardita n. gen. and A. iberica n. sp. (Bivalvia: Carditidae)

FIGURE 2. Cyclocardia spp. A–D. Cyclocardia borealis (Conrad, 1832), northern Gulf of St. Lawrence, Canada, photo and permission C. Nozères, Fisheries and Oceans Canada (A, LF; B–D, RV). E–G. Cyclocardia crassidens (Broderip & Sowerby I, 1829), off Gay Head (Aquinnah), Martha's Vineyard, Massachusetts (Yale Peabody Museum of Natural History, YPM IZ 033525), photo E. Lazo-Wasem (http://collections.peabody.yale.edu/search/Record/YPM-IZ-033525) (E, LV; F, RV). Scale bars: 10 mm (A, B, D, E, F), 5 mm (C, G).