Jackknife clam is a common name which is used for several species in the genera Ensis and Solen within the family Solenidae, species which are found on Atlantic and Pacific beaches of temperate North America. Species in these families are also found elsewhere in the world, but in other English-speaking countries they usually have other common names.
The jackknife clam is a term used for several species in genera Ensis and Solen within the Solenidae family that are typically found on Atlantic and Pacific beaches of temperate North America. These species can be encountered worldwide, but they usually have different common names in other English-speaking countries.