Americana
Polymesoda
Biota | Animalia | Mollusca | Bivalvia | Autobranchia | Heteroconchia | Euheterodonta | Imparidentia | Venerida | Cyrenoidea | Cyrenoididae | Polymesoda
|  |  | Linnaeus, 1758 | Grobben, 1894 | J. E. Gray, 1854 | Giribet & Distel, 2003 | Bieler, P. M. Mikkelsen & Giribet, 2014 | Gray, 1854 | J. E. Gray, 1840 | H. Adams & A. Adams, 1857 (1853) | Rafinesque, 1820