Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Obelia geniculata (Linnaeus, 1758)

hidroide, Hydrozoa

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Cnidaria

Class
Hydrozoa

Order
Leptothecata

Suborder
Proboscoida

Family
Campanulariidae

Genus
Obelia

Species
geniculata

Taxon category: Accepted

Syn.: Campanularia coruscans Schneider, 1898, Campanularia geniculata (Linnaeus, 1758), Eucope alternata A. Agassiz, 1865, Eucope diaphana L. Agassiz, 1862, Eucope fusiformis A. Agassiz, 1865, Eucope polygena A. Agassiz, 1865, Laomedea geniculata (Linnaeus, 1758), Laomedea lairii Lamouroux, 1816, Monosklera pusilla von Lendenfeld, 1885, Obelia diaphana (L. Agassiz, 1862), Obelia geniculata f. gaussi Vanhöffen, 1910, Obelia geniculata f. subsessilis Jäderholm, 1904, Obelia gymnopthalma Spagnoli, 1871, Sertularia geniculata Linnaeus, 1758 (Horton et al., 2021).

Origin: Native

Distribution

Distribution: Mexico, Peru and Galapagos Island in Isabela (Fraser, 1938). California and Galapagos Island in Wolf and Isabela (Calder et al., 2003; Fraser, 1938)

References

  • Appeltans, W. Bouchet, P., Boxshall, G.A., Fauchald, K., Gordon, D.P., Hoeksema, B.W., Poore, G.C.B., van Soest, R.W.M., Stöhr, S., Walter, T.C., Costello, M.J. (eds.) (2010) World Register of Marine Species (WoRMS). Available online at http://www.marinespecies.org.
  • Calder, D.R. Mallinson, J.J., Collins, K. & Hickman, C.P. (2003) Additions to the Hydroids (Cnidaria) of the Galapagos, with a List of Species Reported from the Islands. J. Nat. Hist. 37:1173-1218.
  • Fraser, C.M. (1939) Distribution of the hydroids in the collections of the Allan Hancock Expeditions. Fraser, M. (1939). Distribution of the hydroids in the collections of the Allan Hancock Expeditions. In Allan Hancock Pacific Expeditions. (Vol. 4, pp. 155–178).
  • Horton, T. Horton, T., Kroh, A., Ahyong, S., Bailly, N., Boyko, C. B., Brandão, S. N., Gofas, S., Hooper, J. N. A., Hernandez, F., Holovachov, O., Mees, J., Molodtsova, T. N., Paulay, G., Decock, W., Dekeyzer, S., Poffyn, G., Vandepitte, L., Vanhoorne, B., Adlard, R., ... Zhao, Z. (2021) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.
  • Fraser, C. M. (1938) Hydroids of the 1932, 1933, 1935 and 1938 Allan Hancock Pacific Expeditions In Allan Hancock Pacific Expeditions (pp. 1–152)

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Obelia geniculata", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=15785. Accessed 25 April 2025.