Biodiversidad Marina De Costa Rica: Gastrópodos (Mollusca: Gastropoda) De La Costa Caribe
Rev. Biol. Trop. 51 (Suppl. 3): 305-399, 2003 www.ucr.ac.cr www.ots.ac.cr www.ots.duke.edu Biodiversidad marina de Costa Rica: Gastrópodos (Mollusca: Gastropoda) de la costa Caribe Leonora Rodríguez Sevilla1, Rita Vargas1 y Jorge Cortés1, 2 1 Museo de Zoología, Escuela de Biología, Universidad de Costa Rica, 2060 San Pedro, San José, Costa Rica. 2 Centro de Investigación en Ciencias del Mar y Limnología (CIMAR), Universidad de Costa Rica, San Pedro, San José, Costa Rica. Abstract: Three hundred and eighty-four gastropod species from the Caribbean coast of Costa Rica are report- ed. Eight species are new records for Costa Rica: Cyclostrema tortuganum, Rissoina c.f. fenestrata, Vanikoro oxychone, Epitonium c.f. denticulatum, Latirus infundibulum, Hastula salleana, Daphnella lymneiformis and Tenaturris c.f. inepta. Thirteen species are found on the Caribbean and Pacific coasts of Costa Rica: Tegula fas- ciata, Cymatium nicobaricum, Anachis lyrata, Costoanachis varia, Mitrella ocellata, Agaronia testacea, Hastula cinerea, Architectonica nobilis, Dolabrifera dolabrifera, Stylocheilus striatus, Cavolinia longirostris, Phidiana lascrucensis and Spurilla neapolitana. In comparison with a recent report of the Caribbean and west- ern Atlantic gastropods of Colombia, the Costarican fauna hardly presents 35.8% of those species. Similarly, in comparison with a work from Panama, the quantity of species shared between Costa Rica and its nearby coun- try is 48.2%. The number of species reported here is probably an underestimation because few micromolluscs have been studied and no samples have been collected in deep waters nor in the north part of the coast. Key words: Gastropoda, Mollusca, biodiversity, Caribbean, Costa Rica.
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