Pacific Trough Shell [Mactrinula pacifica]
 
            Description
The Pacific Trough Shell, Mactrinula pacifica, is a bivalve mollusk species in the family Mactridae. It is native to the Pacific coast of North America, from California to Baja California. The shell of this species is oval-shaped, with a color varying from white to a dull yellow. It typically inhabits sandy or muddy substrates in shallow to moderate depths.
Taxonomy
| Phylum | Mollusks Mollusca | 
|---|---|
| Class | Clams, Oysters, and Scallops Bivalvia | 
| Order | Clams Veneroida | 
| Family | Trough Shells Mactridae | 
| Genus | Trough Shells Mactra |