Figure 3: Spectrum of the marine invertebrates at Clos des Châtaigniers
Latin name Common name NISP MNI Weight (g)
Bivalves
Mytilus edulis common mussel 221752 1490 6188.24
Ostrea edulis flat oyster 33 4 5.81
Anomia ephippium saddle oyster 1 1 0.18
Aequipecten opercularis queen scallop 1 1 0.01
Mimachlamys varia fan scallop 3 1 0.08
Solen marginatus grooved razor shell 10 4 1.96
Phaxas pellucidus   7 5 0.04
Acanthocardia tuberculata   2 2 19.19
Acanthocardia sp.   115 3 16.48
Cerastoderma edule common cockle 107 16 12.65
Cerastoderma sp. cockle 186 8 110.47
Barnea candida   669 36 11.8
Donax vittatus beam clam 1 1 0.36
Donax sp. beam clam 275 25 4.64
Gari sp.   10 3 0.11
Macoma balthica   86 33 5.05
Mactra sp.   29 11 0.88
Spisula solida Atlantic surf clam 1 1 2.21
Spisula subtruncata   1 1 0.03
Spisula sp.   131 54 1.92
Scrobicularia plana peppery furrow shell 149 4 4.09
Abra sp.   39 25 0.24
Corbula gibba   22 8 0.68
Ruditapes decussatus European carpet clam 1 1 0.08
Cardiidae   22   0.71
Mactridae   891 7 5.83
Pectinidae   2   0.03
Semelidae   278   3.21
Tellinidae   188   1.8
Veneroida   549   4.51
Gastropods
Littorina littorea common periwinkle 336 123 123.78
Littorina obtusata flat periwinkle 18 11 1.53
Littorina sp.   44 41 0.55
Lacuna pallidula pale lacuna 1 1 0.12
Gibbula umbilicalis flat top shell 16 13 6.54
Gibbula sp. top shell 48 3 1.77
Buccinum undatum common whelk 4 2 4.77
Nassarius reticulatus netted dog whelk 27 5 5.21
Nassarius sp.   5 2 0.19
Nucella lapillus dogwhelk 57 20 39.01
Ocenebra erinaceus sting winkle 28 6 6.39
Bela powisiana   1 1 0.04
Epitonium clathrus common wentletrap 1 1 0.1
Unspecified gastropods   19   1.12
Unspectified molluscs   15   0.22
Marine Molluscs total   226181 1974 6594.63
Balanus sp. barnacle 35566 5927 187.39
Crustacean total   35566  5927 187.39
Unspecified urchin urchin 2 1 0.03
Echinoderm total   2  1 0.03

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