Razor clam explained

Razor clam is a common name for long, narrow, saltwater clams (which resemble a closed straight razor in shape), including:

Atlantic jackknife clam, Ensis directus
Gould's razor shell, Solen strictus
Pacific razor clam, Siliqua patula
Pinna bicolor, a species of large saltwater clam in the family Pinnidae
Razor shell, Ensis arcuatus
Rosy razor clam, Solecurtus strigilatus
Siliqua alta, the northern or Arctic razor clam
Siliqua costata, Atlantic razor clam
Solen marginatus, the grooved razor shell

See also