Corrales-Ugalde, M., Castellanos-Osorio, I. and Moráles-Ramírez, Álvaro 2018. Dichotomous key for the identification of Apendicularians in the Eastern Tropical Pacific and Inter American Seas, with a species list for Costa Rica. Revista de Biología Tropical. 66, S1 (Apr. 2018), S108–S122. DOI:https://doi.org/10.15517/rbt.v66i1.33266.