Castellanos I.A., Morales-Ramírez Á., Suárez-Morales E.
In: Wehrtmann I.S., Cortés J. (eds) Marine Biodiversity of Costa Rica, Central America. Monographiae Biologicae, vol 86. Springer, Dordrecht
Appendicularians (Urochordata)
O. dioica not reported in Costa Rica, but presence considered plausible.