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Razor shells have a fragile shell, with open ends. The shell is smooth on the outside and whitish in color, with vertical and horizontal reddish-brown or purplish-brown markings separated by a diagonal line. The periostracum is olive-green. The inner surface is white with a purple tinge and the foot is creamy white with brown lines.
The name "razor clam" is also used to refer to different species such as the Pacific razor clam (Siliqua patula) or Razor shell (Ensis magnus). Jackknife clams live in sand and mud and are found in intertidal or subtidal zones in bays and estuaries. Its streamlined shell and strong foot allow Jackknife clams to burrow quickly in wet sand.
Originally, razor shells were all classified as Solenidae. Then, the genera were grouped into two sub-families, the Cultellinae and Soleninae. Later, the two subfamilies were recognized as separate families, with Cultellinae accepted as Pharidae and the family Solenidae containing only the three genera Solen, Solena and Neosolen. [1]
The shells are long, narrow, and parallel-sided. This shape resembles a closed, old-fashioned straight razor (a cut-throat razor), or a closed jackknife (pocket knife) and sometimes these clams are known as razor shells or jackknives. The shells in these species are fragile and can easily be damaged when digging for these clams.
Ensis ensis, or the sword razor, is a razor clam, a marine bivalve mollusc in the family Pharidae. It lives buried in the sand and is found off the coasts of northwest Europe. It lives buried in the sand and is found off the coasts of northwest Europe.
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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
Gould's razor shell (Solen strictus) is a bivalve mollusc of the family Solenidae. It is common in Japan in sandy coastal zones of the western, southern and northeastern coasts, and also in South Korea, China and Taiwan. It lives on the sandy littoral zone, preferring the depth of about 20–50 cm.