Cardium isocardiaLinnaeus, 1758, p. 679, Rumph. mus. t. 48, f. 9; Argenv. conch. t. 26, fig. M; Kratzenst. Regenf., t. 5, f. 56] [Basis of the current name] Type Locality: Unknown Range: 22.5°N to 18°N; 89.7°W to 66.5°W Depth: 0 to 3 m Maximum Reported Size: 75 mm Distribution: Mexico: Alacran Reef; Bermuda References: Rice & Kornicker (1962) dNW