摘要：Faunal examination is made of 4 samples, 2 from the Recent Ban Laem Phak Bia sand spit, and 2 from theHolocene sand body of Ban Bang Ket. Fossil and modern assemblages are compared on the basis of overallcomposition, taxa abundances, and of autoecological investigation on life habit, substrate preference, feedingtype, depth range and ecological meaning of the identified species. The Holocene assemblage of Ban BangKet, compared to the Recent one of Ban Laem Phak Bia, 1) exhibits generally similar overall composition andecological structure, 2) contains much of the dominant species characterizing the modern assemblage, and 3)includes all taxa that are members of the living molluscan community. On this basis, the molluscanassemblage of Ban Bang Ket results to be the Holocene counterpart of the modern one of Ban Laem Phak Bia,and reflects the same environmental conditions recorded for the latter. Thus, the sand body near Ban Bang Ketis interpreted as a Holocene equivalent of the sand spit of Ban Laem Phak Bia.
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