FIGURE 3. Cyclocardia thouarsii. A, D in The Families Carditidae and Condylocardiidae in the Magellan and Perú – Chile provinces (Bivalvia: Carditoidea)

FIGURE 3. Cyclocardia thouarsii. A, D: Holotype of Cardita thouarsii, Malvinas/Falkland Islands (NHMUK 1854.12.4.760); B, E, I: Cape Horn, 780 m (ZMB 103678); C, F, L: Cape Horn, 430 m (ZMB 103538); G, H: Syntype of Cardita congelascens, Burdwood Bank, 102 m (RSM 1921.143.711); J, K, M–O: Burdwood Bank, 286 m (MLP 13708). A–C, E–G: Outer view; A– C: Left valve; E–G: Right valve; D, H, J, K: Inner view; D, J: Left valve; H, K: Right valve; I: Dorsal view; L: Periostracal projections; M, N: Detail of hinge plate; M: Left valve; N: Right valve; O: Prodissoconch (right valve; arrow shows P-1/P-2 boundary). Scale bars: A, C, D, F–H, J, K = 2 mm; B, E, I = 1 cm; L, O = 100 µm; M, N = 500 µm.