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Deep-Sea taxon details

Exogone anomalochaeta Benham, 1921

338796  (urn:lsid:marinespecies.org:taxname:338796)

accepted
Species
marine, brackish, fresh, terrestrial
recent only
Benham, W.B. (1921). Polychaeta. <em>Australian Antarctic Expedition 1911-1914, Scientific Reports, Series C - Zoology and Botany.</em> 6(3): 1-128., available online at http://dx.doi.org/10.5962/bhl.title.16201
page(s): 24-26, plate 5 figs. 11-13 [details]   
Type locality contained in Southern Ocean  
type locality contained in Southern Ocean [details]
Note Benham (1921: 25) gives the location as from...  
From editor or global species database
Type locality Benham (1921: 25) gives the location as from both Commonwealth Bay, Antarctica (67 S), which he lists first, and also subantarctic Macquarie Island (about 54.5 S). There is no indication otherwise that one site was more significant than the other for material. There is no information on the location at Macquarie other than it was intertidal. At Commonwealth Bay collection was Station A at from 4 to 7.5 m, 67 S, 142.6 E. [details]
Type material Uncertain. The Australian Museum lists only 17 specimens from Macquarie Island (collected by Hamilton) as syntypes. There is apparently no record there of the Commonwealth Bay Antarctic material collected by McClean. The Macquarie specimens are registered as W.617 Macquarie Island, -54.6167° 158.85° (54° 37' S , 158° 51' E). This location is inland, and seemingly a generic location for the island itself (mapping precision stated as 10km-100km). These geocoordinates must be disregarded as an accurate location, and the true shore location was probably never recorded. [details]
Depth range Intertidal to 1000 m.  
Depth range Intertidal to 1000 m. [details]

Distribution Antarctic and subantarctic seas.   
Distribution Antarctic and subantarctic seas.  [details]

Taxonomy Benham (1921) notes the similarity to the previously described E. heterosetosa, and takes trouble to note two differences...  
Taxonomy Benham (1921) notes the similarity to the previously described E. heterosetosa, and takes trouble to note two differences between the two, but his comparison is with Ehlers' (1897) heterosetosa record from Magellan area rather than with McIntosh's original description (Marion Island).

Barroso et al (2017: 403) record and describe specimens attributed to the species from offshore Brazilian waters (20-23 S) in the Atlantic. Also, AM W27057 specimens, part of the Australian specimens which San Martin (2005) identified as E. heterosetosa, are re-identified by Barroso et al as E. anomalochaeta. This may indicate the two species are still confusable, even by experts. [details]
Read, G.; Fauchald, K. (Ed.) (2019). World Polychaeta database. Exogone anomalochaeta Benham, 1921. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2019) World Register of Deep-Sea species (WoRDSS) at: http://www.marinespecies.org/deepsea%20/aphia.php?p=taxdetails&id=338796 on 2020-01-23
Glover, A.G.; Higgs, N.; Horton, T. (2020). World Register of Deep-Sea species (WoRDSS). Exogone anomalochaeta Benham, 1921. Accessed at: http://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=338796 on 2020-01-23
Date
action
by
2008-03-18 12:55:09Z
created
2008-03-26 11:36:43Z
changed
2017-01-19 11:28:17Z
changed

original description Benham, W.B. (1921). Polychaeta. <em>Australian Antarctic Expedition 1911-1914, Scientific Reports, Series C - Zoology and Botany.</em> 6(3): 1-128., available online at http://dx.doi.org/10.5962/bhl.title.16201
page(s): 24-26, plate 5 figs. 11-13 [details]   

context source (Deepsea) Barroso, Rômulo; De Paiva, Paulo Cesar; Nogueira, João Miguel De Matos; Fukuda, Marcelo Veronesi. (2017). Deep sea Syllidae (Annelida, Phyllodocida) from Southwestern Atlantic. <em>Zootaxa.</em> 4221(4): 401–430., available online at http://www.biotaxa.org/Zootaxa/article/view/zootaxa.4221.4.1 [details]  Available for editors  PDF available 

additional source Soto, Eulogio H.; San Martín, Guillermo. (2017). Exogoninae (Annelida: Syllidae) from Chilean Patagonia. <em>Zootaxa.</em> 4353(3): 521-539., available online at https://biotaxa.org/Zootaxa/article/view/zootaxa.4353.3.7
page(s): 527, figs. 4-5 [details]  Available for editors  PDF available 

additional source Benham, William B. (1927). Polychaeta [Terra Nova]. <em>British Antarctic 'Terra Nova' Expedition Natural History Reports, Zoology.</em> 7(2): 47-182, plates 1-6., available online at http://biodiversitylibrary.org/page/49465872
page(s): 62; note: Specimens from Cape Adare, Antarctica [details]   

source of synonymy Monro, Charles C. A. (1939). Polychaeta. <em>B.A.N.Z.Antarctic Research Expedition Reports, Ser. B Zoology and Botany.</em> 4(4): 87-156.
page(s): 115-116; note: to E. heterosetosa [details]  Available for editors  PDF available 

redescription Barroso, Rômulo; De Paiva, Paulo Cesar; Nogueira, João Miguel De Matos; Fukuda, Marcelo Veronesi. (2017). Deep sea Syllidae (Annelida, Phyllodocida) from Southwestern Atlantic. <em>Zootaxa.</em> 4221(4): 401–430., available online at http://www.biotaxa.org/Zootaxa/article/view/zootaxa.4221.4.1
page(s): 403-406, figs. 1-2 [details]  Available for editors  PDF available 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
 

Syntype AM W617, geounit Macquarie Island [details]
From editor or global species database
Depth range Intertidal to 1000 m. [details]

Distribution Antarctic and subantarctic seas.  [details]

Habitat Mud. [details]

Taxonomy Benham (1921) notes the similarity to the previously described E. heterosetosa, and takes trouble to note two differences between the two, but his comparison is with Ehlers' (1897) heterosetosa record from Magellan area rather than with McIntosh's original description (Marion Island).

Barroso et al (2017: 403) record and describe specimens attributed to the species from offshore Brazilian waters (20-23 S) in the Atlantic. Also, AM W27057 specimens, part of the Australian specimens which San Martin (2005) identified as E. heterosetosa, are re-identified by Barroso et al as E. anomalochaeta. This may indicate the two species are still confusable, even by experts. [details]

Type locality Benham (1921: 25) gives the location as from both Commonwealth Bay, Antarctica (67 S), which he lists first, and also subantarctic Macquarie Island (about 54.5 S). There is no indication otherwise that one site was more significant than the other for material. There is no information on the location at Macquarie other than it was intertidal. At Commonwealth Bay collection was Station A at from 4 to 7.5 m, 67 S, 142.6 E. [details]

Type material Uncertain. The Australian Museum lists only 17 specimens from Macquarie Island (collected by Hamilton) as syntypes. There is apparently no record there of the Commonwealth Bay Antarctic material collected by McClean. The Macquarie specimens are registered as W.617 Macquarie Island, -54.6167° 158.85° (54° 37' S , 158° 51' E). This location is inland, and seemingly a generic location for the island itself (mapping precision stated as 10km-100km). These geocoordinates must be disregarded as an accurate location, and the true shore location was probably never recorded. [details]
 

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