de Biología Tropical ISSN Impreso: 0034-7744 ISSN electrónico: 2215-2075

Marine biodiversity of Costa Rica: Class Polychaeta (Annelida)

Harlan K. Dean



Three hundred and thirty two species of polychaetes belonging to 50 families are reported for Costa Rica based on previously published reports. In a few families, available material was re-examined and appropriate changes in species identifications were made. Only three species, (Glycera oxycephala Ehlers, 1887; Hemipodia pustulata (Friedrich 1956); and Scolepis (Scolepis) squamata (Müller, 1806)) have been reported from the Caribbean coast of Costa Rica, and these three species have also been reported from the Pacific Coast. The families with more than 15 species are the Spionidae (26), Cirratulidae (24), Nereididae (21), Lumbrineridae (19) and Paraonidae (16). Despite extensive sampling on the Pacific coast over the last 25 years, the Costa Rican polychaete fauna, especially that of the Caribbean coast, remains poorly known.


Annelida; Polychaeta; biodiversity; polychaete worms; Gulf of Nicoya; Golfo Dulce; Costa Rica

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