Contents of CD-ROM: species list (.pdf). Includes bibliographical references and index.

Diversity of marine habitats of the Caribbean and Pacific of Costa Rica / Jorge Cortš and Ingo S. Wehrtmann -- A history of marine biodiversity scientific research in Costa Rica / Jorge Cortš -- Marine fossils / Teresita Aguilar -- Taxonomic groups: Phytoplankton / Roxana Víquez and Paul E. Hargraves. Marine benthic algae / Andrea Bernecker. Seagrasses / Jorge Cortš and Eva Salas. Mangroves / Ana Margarita Silva-Benavides. Foraminifera / Jorge Cortš, Claudia Mora-Baumgartner, and Vanessa Nielsen. Sponges / Jorge Cortš, Noam Van Der Hal, and R.W.M. Van Soest. Hydrozoa, Scyphozoa, and Cubozoa (Medusozoa) / Karina Rodríguez-Sáenz and Lourdes Segura-Puertas. Siphonophores / Karina Rodríguez-Sáenz and Rebeca Gasca. Zoanthids, sea anemones and corallimorpharians / Jorge Cortš. Octocorals / Odalisca Breedy. Stony corals / Jorge Cortš. Sipunculans / José A. Vargas and Harlan K. Dean. Polychaetes and echiurans / Harlan K. Dean. Stomatopods / Rita Vargas. Euphausiids / Iván Castellanos, Eduardo Suárez-Morales, and âAlvaro Morales-Ramírez. Decapod crustaceans / Rita Vargas and Ingo S. Wehrtmann. Shallow water mysids / W. Wayne Price, Richard W. Heard, and Rita Vargas. Cumaceans / Iorgu Petrescu [and others]. Tanaidaceans / Richard W. Heard, Odalisca Breedy, and Rita Vargas. Isopods / Richard C. Brusca and Ingo S. Wehrtmann. Gammaridean amphipods / John M. Foster [and others]. Hyperiid amphipods / Rebeca Gasca. Barnacles / Robert Van Syoc. Copepods / âAlvaro Morales-Ramírez and Eduardo Suárez-Morales. Sea-spiders / Roger N. Bamber. Marine insects / Monika Springer. Chitons / Enrico Schwabe and Ingo S. Wehrtmann. Benthic, shelled gastropods / Leonora Rodríguez-Sevilla, Rita Vargas, and Jorge Cortš. Pelagic gastropods / Eduardo Suárez-Morales, Rebeca Gasca, and Iván Castellanos. Benthic opisthobranchs / Yolanda E. Camacho-García. Bivalves / Julio A. Magaña-Cubillo and José Espinosa. Squids and octopuses / Frederick G. Hochberg and Yolanda E. Camacho-García. Phoronids / Christian C. Emig. Bryozoans / Jorge Cortš, Vanessa Nielsen, and Amalia Herrera-Cubilla. Brachiopods / Christian C. Emig. Echinoderms / Juan José Alvarado and Jorge Cortš. Chaetognaths or arrow worms / Eduardo Suárez-Morales, Rosa Ma. Hernández-Flores, and âAlvaro Morales-Ramírez. Appendicularians (Urochordata) / Iván A. Castellanos, âAlvaro Morales-Ramírez, and Eduardo Suárez-Morales. Marine fish / William A. Bussing and Myrna López. Marine reptiles and amphibians / Mahmood Sasa, Gerardo A. Chaves, and Lisa D. Patrick. Birds in coastal and marine environments / Gilbert Barrantes and Johel Chaves-Campos. Marine mammals / Laura May-Collado. Other taxonomic groups (fungi, kinorhynchs, invertebrate chordates) / Jorge Cortš. Marine fish parasites / Jorge Cortš. Sea turtle parasites / Mario Santoro and Simonetta Mattiucci -- Marine biodiversity of Costa Rica : perspectives and conclusions / Ingo S. Wehrtmann, Jorge Cortš, and Silvia Echeverría-Sáenz.