title: Capitellidae (Annelida: Polychaeta) from the Pacific Coast of Costa Rica.
abstract: Eleven species of Capitellidae (Annelida: Polychaeta) belonging to eight genera are reported from the subtidal and intertidal of the Pacific Coast of Costa Rica. Three species, Mediomastus ambiseta, M. californiensis and Notomastus hemipodus, are found in highest abundances and are widespread in subtidal and intertidal environments. A taxonomic key to these species is included.
authors.affiliation: Department of Invertebrate Zoology, Museum of Comparative Zoology, 26 Oxford St., Cambridge, MA 02138, USA. hdean1@mindspring.com
authors.forename: H K
authors.initials: HK
authors.lastname: Dean
mesh_terms: D000818:Animals; D003364:Costa Rica; D005260:Female; D008297:Male; D010140:Pacific Ocean; D011077:Polychaeta / Q000033:anatomy & histology / Q000145:classification*