Tellina alternata

Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Subclass: Autobranchia Order: Cardiida Family: Tellinidae Genus: Tellina (Linnaeus, 1758) Subgenus: Tellina (Eurytellina) (Fischer, 1887) Species: Tellina (Eurytellina) alternata (Say, 1822) Two specimens; One specimen of the left valve and one specimen of the right valve. Thin growth lines. Prominent posterior ridge. Triangular, small umbo that is fairly centred. The right valve has both the adductor scars visible but the left valve only has the posterior adductor scar visible on the interior part of the valve. Rounded, elongated ventral margin and triangular dorsal margin.