Galapagos Species Database

Taxon category: Accepted

Syn.: Dynamena gibbosa Billard, 1925, Dynamena thankasseriensis Mammen, 1965, Hydra quiternana Bosc, 1797, Pasya elongata Stechow in Stechow & Müller, 1923 , Pasya quadridentata (Ellis & Solander, 1786), Sertularia quadridentata Ellis & Solander, 1786 (Horton et al., 2021).

Origin: Native

IUCN Red List Category: Not evaluated

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: (P. quadridentata) Galapagos Island in North Isabela (Fraser, 1938). Peru, Colombia, Panama, Mexico, Golf of California and Ecuador in Galapagos Islands (Isabela I) (Calder et al., 2003; Fraser, 1938).

• 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. (1938) Hydroids of the 1932, 1933, 1935 and 1938 Allan Hancock Pacific Expeditions In Allan Hancock Pacific Expeditions (pp. 1–152)
• Hickman, C.P. Jr. (2008) A field guide to corals and other radiates of Galápagos. Sugar Spring Press, Lexington, Virginia, 162 pp.
• 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.