WoRMS taxon details
Obelia alternata Fraser, 1938
292628 (urn:lsid:marinespecies.org:taxname:292628)
accepted
Species
marine, fresh, terrestrial
Fraser, C. M. (1938). Hydroids of the 1934 Allan Hancock Pacific Expedition. <em>Allan Hancock Pacific Expeditions.</em> 4: 1-105, pls 1-15., available online at https://www.biodiversitylibrary.org/page/4678840
page(s): 35, pl. 8 fig. 38 [details]
page(s): 35, pl. 8 fig. 38 [details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Obelia alternata Fraser, 1938. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=292628 on 2025-11-10
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
Nomenclature
original description
Fraser, C. M. (1938). Hydroids of the 1934 Allan Hancock Pacific Expedition. <em>Allan Hancock Pacific Expeditions.</em> 4: 1-105, pls 1-15., available online at https://www.biodiversitylibrary.org/page/4678840
page(s): 35, pl. 8 fig. 38 [details]
page(s): 35, pl. 8 fig. 38 [details]
Taxonomy
taxonomy source
Calder, D.; Carlton, J.; Keith, I.; Larson, K.; McCann, L.; Geller, J.; Wheelock, M.; Choong, H.; Ruiz, G. (2021). Additions to the hydroids (Cnidaria, Hydrozoa) of marine fouling communities on the mainland of Ecuador and in the Galapagos Islands. <em>Aquatic Invasions.</em> 16(2): 208-252., available online at https://doi.org/10.3391/ai.2021.16.2.02 [details] Available for editors 
[request]
[request]Other
subsequent type designation
Calder, D. R., Vervoort, W., & Hochberg, F. G. 2009. Lectotype designations of new species of hydroids (Cnidaria, Hydrozoa), described by C.M. Fraser, from Allan Hancock Pacific and Caribbean Sea Expeditions. Zoologische Mededelingen 83: 919-1054. [details] Available for editors [request]
[request]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Paralectotype RBCM BCPM 976-407-1, geounit Galapagos Islands [details]
From editor or global species database
Lectotype Ecuador, Galápagos Islands, Charles Island, Post Office Bay, 01°14’37”S, 90°28’08”W, 15 fm (27 m), rock. [details]
