| Referens | Suárez-Morales, E., R.M. Hernández-Flores and A. Morales-Ramírez, 2009 Chaetognaths or arrow worms. p. 435-444 Wehrtmann, I.S.; Cortés, J. 2009. Marine biodiversity of Costa Rica, Central America. Springer 538pp. |
| Ref. | 83943 Suárez-Morales, E., R.M. Hernández-Flores and A. Morales-Ramírez, 2009 |
| Sida | SPL 37.1 |
| Named Used as Valid | Parasagitta tenuis |
| Observationsplats | |
| Distribution | Caribbean coast of Costa Rica. |