Common edible cockle (GB), Cuore edule, cuore Spinoza (I) berberecho (E) Herzmuschel (A), Kokkel (NL) criteria for recognition Two symmetrical valves form a whole round, domed Strong radial tread variable external color : white, beige or tan Average size between 1, 5 and 3, 5 cm Distribution is found Cerastoderma edule Norway Senegal. It is very present in the Mediterranean where it is often confused with Cerastoderma glaucum very much like it. Biotope
The town lives shell buried under a few inches of sand or mud. It is found along the beaches in the intertidal zone. * It is a mollusc which is not found in depth. Its strong foot allows affiliated companies him to remain in the sand and resist hydrodynamics, sometimes strong habitat. Cerastoderma edule appreciate rather cool temperatures (below 22 C). One can notice the highest density of individuals near a fresh supply of water or nutrients. Description
Cerastoderma edule is a bivalve living buried in the sand. It is easily recognizable with its two symmetrical valves that form a round, affiliated companies domed together. Each valve has high radial sculptures and concentric growth lines. The outer color ranges from ocher common shell beige through white. The internal color is mostly white, sometimes noticed an orange affiliated companies yellow line at the adductor muscles. The presence of an external ligament keeps the two valves together. C. edule has two siphons courts and a walk-orange color. Two adductor muscles help maintain closed valves. In water, one can spot its presence through its two siphons that form small holes on the surface affiliated companies of the sand. Its average size is between 1, 5 and 3, 5 cm, the largest individuals are up to 5 cm. The average lifespan of a common hull is 2 to 4 years, yet it may exceptionally reaching the age of 10 years. Species resembling
Cardium edule Linnaeus, 1758 (used before the 1950s) Cardium affiliated companies vulgare da Costa, 1778 Cardium crenulatum Lamarck, affiliated companies 1819 Cardium Belgicum of Malzine 1867 Cardium vulgatum Tryon, 1872 Cardium obtritum Locard 1886 Cardium mercatorum Coen, 1915 Hull Different views of A shell half buried in his shell siphons Comparison substrate and Stroll clam shell ... semi buried hatchet-shaped foot Participants Senior Editor Cdric CONTI Auditor Yves Mller Regional Manager Vronique LAMARE Created on: 24/10 / 2008 Last modified on 2/22/2014 9:43:00 p.m. The * in the text refer to the glossary Classification
Scientific terms (international) in french Terms description / summary characteristics of Phylum Mollusca Mollusca group unsegmented affiliated companies bodies bilaterally symmetrical with a muscular foot, a radula, a coat secreting limestone formations (spicules, plates, shell) and defining an open cavity on outside containing the gills. Class Bivalvia affiliated companies / Lamellibranchia / Pelecypoda affiliated companies Bivalves / Lamellibranchiata / Plcypodes aquatic molluscs, filter affiliated companies feeders, the laterally compressed body. Shell composed of two hinged valves disposed on either side of the plane of symmetry. Head absence, pharynx, salivary gland and radula. Subclass Heterodonta Htrodontes dissociated hinge teeth. Siphon well developed enabling organizations to feed and breathe while remaining hidden. Order Veneroida affiliated companies Vnrodes thin shell, elongated, hard and costulée, gaping affiliated companies at one or both ends. Ligament both internal and external. Family Cardiidae Cardiids
Closed shell-shaped heart. Strong radial ribs sometimes pr
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