WoRMS taxon details
Pseudexogone backstromi Augener, 1922
331379 (urn:lsid:marinespecies.org:taxname:331379)
accepted
Species
marine, brackish, fresh, terrestrial
recent only
Augener, H. (1922). Litorale Polychaeten von Juan Fernandez. pp. 161-218. IN: Skottsberg, C. (Ed.). The Natural History of Juan Fernandez and Easter Island. Volume 3. Zoology. Part II. Almqvist & Wiksells, Uppsala., available online at https://www.biodiversitylibrary.org/page/28680789
page(s): 192-194, text-fig. 7a-c, plate 7 figs. 4, 4a, 4b [details]
page(s): 192-194, text-fig. 7a-c, plate 7 figs. 4, 4a, 4b [details]
Type locality contained in Juan Fernandez Islands
, Note Másatierra (= Robison Crusoe) Island, Juan...
type locality contained in Juan Fernandez Islands [details]
From editor or global species database
Type locality Másatierra (= Robison Crusoe) Island, Juan Fernández Archipelago (Chile), Pacific Ocean (gazetteer estimate -33.63º, -78.82º), 30-45 m, from a dead hydroid theca in a sample of calcareous algae. [details]
Type material ''The type specimen of the type species was not deposited in Sweden, although it was collected during a Swedish expediton, nor in Hamburg, where Augener lived. Museum curators were unable to find it, therefore the type and only specimen is being regarded as lost.'' (Salazar-Vallejo et al., 2007: 539). [details]
Depth range 20.1-63.7 m.
Distribution Pacific Ocean: Juan Fernández Archipelago (off Chile); Oahu Island (Hawaii).
Etymology The species is named in honour of Dr. Kåre Bäckström (18??-19??), Swedish zoologist from Stockholm, PhD in 1924 on the...
Depth range 20.1-63.7 m. [details]
Distribution Pacific Ocean: Juan Fernández Archipelago (off Chile); Oahu Island (Hawaii).
Distribution Pacific Ocean: Juan Fernández Archipelago (off Chile); Oahu Island (Hawaii). [details]
Etymology The species is named in honour of Dr. Kåre Bäckström (18??-19??), Swedish zoologist from Stockholm, PhD in 1924 on the...
Etymology The species is named in honour of Dr. Kåre Bäckström (18??-19??), Swedish zoologist from Stockholm, PhD in 1924 on the brain morphology of selachians, and who took part in the Swedish Pacific Expedition 1916-1917 to Chile, Easter Island, and Juan Fernández Archipelago, as responsible for the zoological and entomological collections. The type material of the new species was collected during this expedition. [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Pseudexogone backstromi Augener, 1922. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=331379 on 2025-04-05
Date
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Nomenclature
original description
Augener, H. (1922). Litorale Polychaeten von Juan Fernandez. pp. 161-218. IN: Skottsberg, C. (Ed.). The Natural History of Juan Fernandez and Easter Island. Volume 3. Zoology. Part II. Almqvist & Wiksells, Uppsala., available online at https://www.biodiversitylibrary.org/page/28680789
page(s): 192-194, text-fig. 7a-c, plate 7 figs. 4, 4a, 4b [details]
page(s): 192-194, text-fig. 7a-c, plate 7 figs. 4, 4a, 4b [details]
Taxonomy
redescription
Salazar-Vallejo, Sergio; Bailey Brock, Julie H.; Dreyer, Jennifer C. (2007). Revision of Pseudexogone Augener, 1922 (Annelida, Polychaeta, Syllidae), and its transfer to Pilargidae. <em>Zoosystema.</em> 29(3): 535-553., available online at http://sciencepress.mnhn.fr/en/periodiques/zoosystema/29/3/revision-de-pseudexogone-augener-1922-annelida-polychaeta-syllidae-et-son-transfert-dans-les-pilargidae
page(s): 539-542, figs. 1-2 [details]
page(s): 539-542, figs. 1-2 [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Nontype WRRC unnumbered, geounit Oahu Island [details]
Nontype WRRC unnumbered, geounit Oahu Island [details]
Nontype WRRC unnumbered, geounit Oahu Island [details]
From editor or global species database
Depth range 20.1-63.7 m. [details]Distribution Pacific Ocean: Juan Fernández Archipelago (off Chile); Oahu Island (Hawaii). [details]
Etymology The species is named in honour of Dr. Kåre Bäckström (18??-19??), Swedish zoologist from Stockholm, PhD in 1924 on the brain morphology of selachians, and who took part in the Swedish Pacific Expedition 1916-1917 to Chile, Easter Island, and Juan Fernández Archipelago, as responsible for the zoological and entomological collections. The type material of the new species was collected during this expedition. [details]
Habitat Sublittoral rocky bottoms, on calcareous algae. [details]
Type locality Másatierra (= Robison Crusoe) Island, Juan Fernández Archipelago (Chile), Pacific Ocean (gazetteer estimate -33.63º, -78.82º), 30-45 m, from a dead hydroid theca in a sample of calcareous algae. [details]
Type material ''The type specimen of the type species was not deposited in Sweden, although it was collected during a Swedish expediton, nor in Hamburg, where Augener lived. Museum curators were unable to find it, therefore the type and only specimen is being regarded as lost.'' (Salazar-Vallejo et al., 2007: 539). [details]
