original descriptionSalazar-Vallejo, Sergio I. (2020). Four new deep-water flabelligerid species from Pacific Costa Rica (Annelida, Sedentaria, Flabelligeridae). <em>Zootaxa.</em> 4885(4): 560-578., available online athttps://www.biotaxa.org/Zootaxa/article/view/zootaxa.4885.4.6[details] Available for editors [request]