| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 92912 | Hartlaub, C. 1905 Die Hydroiden der Magalhaensischen Region und chilenischen Küste. Zoologische Jahrbücher 6(3):497-714. | 1905 | Synthecium chilense | --> |
| 92914 | Leloup, E. 1974 Hydropolypes calyptoblastiques du Chili. Report no. 48 of the Lund University Chile Expedition 1948-1949. Sarsia 55:1-61. | 1974 | Synthecium robustum | --> |
| 833 | Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. Brooks/Cole, Thomson Learning learning, Inc. 990 p. | 2004 | Synthecium protectum | --> |
| 92913 | Galea, H.R. 2007 Hydroids and hydromedusae (Cnidaria: Hydrozoa) from the fjords region of southern Chile. Zootaxa 1597:1-116. | 2007 | Synthecium robustum | --> |
| 87801 | Häussermann, V. and G. Försterra 2009 Marine benthic fauna of Chilean Patagonia. Santiago, Nature in Focus. 1000 p. | 2009 | Synthecium protectum | 345 |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Synthecium protectum | --> |