LA MALACOFAUNA DE LA ZONA COSTERA DE SANTA MARTA Y PARQUE NACIONAL NATURAL TAYRONA, CARIBE COLOMBIANO

Abstract

Based on intesive collectings and published informations an inventory of molluscan species known from the Santa Marta - Tayrona National Natural Park coastal area was performed, including data on substrate and depth preferences of each species. Of a total of 727 species, 485 are gastropods, 214 bivalves, 13 polyplacophorans, 10 scaphopods, and 5 cephalopods. Most species occur in sandy bottoms with seagrass and in rock-rubble zones in shallow water. The high number of species occurring in this region can be explained by the availability of different habitat types and der s in a reduced area and through historic-biogeographic features of this region.