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Chart of U.S. east coast showing sampling locations for bivalve collection 

 Distribution of predominant bottom sediments 



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68 



68 



on of Abra sp., Aequipecten phrygium, and Aligena elevata 69 



on of Anadara oralis and Anadara transversa 59 



on of Anomia simplex 70 



on of Anomia squamula 70 



on of Area sp.. Arcidae. and Arcinella cornuta 71 



on of Arctica islandica 71 



on of Argopecten gibbus and Argopecten irradians 72 



on of Astarte borealis '. 72 



on of Astarte castanea 73 



on of Astarte crenata subequilatera 73 



on of Astarte elliptica, Astarte montagui, and Astarte nana 74 



on of Astarte quadrans and Astrate smithii 74 



on of Astarte undata 75 



on of Astarte sp 75 



on of Axinopsida orbicitlata and Barnea truncata 76 



on of Barnea sp. and Bathyarca anomala 76 



on of Bathyarca pectuncidoides 77 



on of Bathyarca sp 77 



on of Bivalvia, Brachidontes exustus, and Callista eucymata 78 



on of Cardiomya perrostrata 78 



on of Cerastoderma pinnulatum 79 



on of Chama sp. and Chione intapurpurea 79 



on of Chione latilirata 80 



on of Chione sp. and Chlamys islandica 80 



on of Clinocardium ciliatum and Corbula contractu 81 



on of Corbula krebsiana and Corbula sp 81 



on of Corbulidae 82 



on of Crassinella lunulata and Crassinella sp 82 



on of Crassostrea virginica and Crenella decussata 83 



on of Crenella glandula 83 



on of Crenella sp. and Cumingea tellinoides 84 



on of Cuspidaria glacialis 84 



on of Cuspidaria obesa and Cuspidaria parva 85 



on of Cuspidaria pellucida and Cuspidaria rostrata 85 



on of Cuspidaria sp. and Cuspidariidae 86 



on of Cyclocardia borealis 86 



on of Cyclocardia novangliae and Cyclocardia sp 87 



on of Cyclopecten nanus, Cyclopecten pustulosus, and Cyrtodaria siliqua 87 



on of Dacrydium vitreum and Delectopecten vitreus 88 



on of Diplodonta sp. and Donax sp 88 



on of Ensis direct us 89 



on of Ervilia concentrica and Eucrassatella speciosa 89 



on of Gemma gemma 90 



on of Geukensia demissa and Glycymeris americana 90 



on of Glycymeris pectinata 91 



on of Glycymeris sp. and Hiatella arctica 91 



on of Hiatella striata and Hiatellidae 92 



on of Laevicardium mortoni 92 



on of Limatula subauriculata and Limatula sp 93 



on of Limopsidae. Limopsis afjinis. and Limopsis cristata 93 



on of Limopsis minuta, Limopsis sulcata, and Limopsis sp 94 



on of Liocyma jiuctuosa and Lucinoma blakeana 94 



on of Lucinoma filosa and Lucinoma sp ' 95 



on of Lucinidae. Lyonsia arenosa, and Lyonsia sp 95 



on of Lyonsia hyalina, Lyonsiella abyssicola. and Lyonsiella sp 96 



on of Macoma balthica 96 



on of Macoma calcarea and Macoma tenia 97 



on of Macoma sp. and Mallelia obtusa 97 



