Addendum to the Checklist of the helminth parasites of vertebrates in Costa Rica.

In this work, we at hand an addendum to the "Checklist of the helminth parasites of vertebrates in Costa Rica" with a parasite-host list as well as a host-parasite list. This addendum updates the available information upon this group of parasites in Costa Rica, since actual recently a new input has been made to describe the helminth fauna of vertebrates, particularly at the rea de Conservacin de Guanacaste. In this paper, we add 33 records, representing 23 species. This raises the number of helminth species described in vertebrates from Costa Rica to 325 exhibited by 89 ...