Mesodesma mactroides Reeve, 1854, [Basis of the current name] Range: 23°S to 41°S Depth: 0 m Maximum Reported Size: 97 mm Comments: Also described by Deshayes (1855).
Mesodesma arechavalettoiPilsbry, 1897b, p. 293-294, pl. 6, figs. 15-16 [Synonym] Attributed to: Ihering Type Locality: Mar del Palta, Argentina and Maldonado Bay, Uruguay Range: 35°S to 38°S; 57.5°W to 55°W Maximum Reported Size: 74 mm Distribution: Uruguay, Argentina: Buenos Aires References: Pilsbry (1897b) NSEWM Comments: Nude name in Pilsbry (1897a), p. 9.
Partial List of References
Pilsbry, H. A. 1897. New species of mollusks from Uruguay Proceedings of the Academy of Natural Sciences of Philadelphia 49 290-298, pls. 6-7. [True date: 18 Jun 1897.]
