On the enigmatic symbiotic polychaete ‘Parasyllidea’ humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
18 págines, 11 figuras, 2 tablas. The hesionid genus Parasyllidea differs from Oxydromus in lacking median antennae. It was originally described to include a single species, P. humesi, known only from its original description. This was based on specimens from mangrove swamps at Pointe-Noire (Republi...
Published in: | Zoological Journal of the Linnean Society |
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2015
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Online Access: | http://hdl.handle.net/10261/112761 https://doi.org/10.1111/zoj.12249 https://doi.org/10.13039/501100003329 https://doi.org/10.13039/501100002809 |
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ftcsic:oai:digital.csic.es:10261/112761 2024-02-11T10:06:55+01:00 On the enigmatic symbiotic polychaete ‘Parasyllidea’ humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour Martin, Daniel Nygren, Arne Hjelmstedt, Per Drake, Pilar Gil, João Generalitat de Catalunya Ministerio de Economía y Competitividad (España) Royal Physiographic Society of Lund 2015 http://hdl.handle.net/10261/112761 https://doi.org/10.1111/zoj.12249 https://doi.org/10.13039/501100003329 https://doi.org/10.13039/501100002809 en eng Wiley-Blackwell #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2013-43287-P http://dx.doi.org/10.1111/zoj.12249 Sí Zoological Journal of the Linnean Society 174(3): 429-446 (2015) 0024-4082 http://hdl.handle.net/10261/112761 doi:10.1111/zoj.12249 1096-3642 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100002809 none Parasyllidea Symbiosis Behaviour Bivalvia Hesionidae Iberian Peninsula North-east Atlantic New host Oxydromus artículo http://purl.org/coar/resource_type/c_6501 2015 ftcsic https://doi.org/10.1111/zoj.1224910.13039/50110000332910.13039/501100002809 2024-01-16T10:06:11Z 18 págines, 11 figuras, 2 tablas. The hesionid genus Parasyllidea differs from Oxydromus in lacking median antennae. It was originally described to include a single species, P. humesi, known only from its original description. This was based on specimens from mangrove swamps at Pointe-Noire (Republic of Congo, West Africa), living endosymbiotically with the bivalve Tellina nymphalis. Lately, the genus included P. blacki and P. australiensis. A new population of P. humesi was recently found at the upper intertidal level of Rio San Pedro salt marsh in Cádiz Bay (eastern Atlantic, Iberian Peninsula). It was also living endosymbiotically, but with another bivalve, Scrobicularia plana. Some Iberian and Congolese specimens revealed the presence of a small papilla-like central antenna associated with the prostomial median ridge, which raised some doubts on the validity of the genus Parasyllidea. A phylogenetic analysis based on the mitochondrial COI and 16S and the nuclear 18S and 28S genes confirms Parasyllidea as a junior synonym of Oxydromus. Therefore, in this paper, P. humesi is fully re-described as Oxydromus humesi comb. nov. The worm has never been reported as free-living. Previously, the association appeared to be an obligate symbiosis, closer to parasitism, as infested hosts had lower relative biomasses than non-infested ones and the worm did not occur locally inside any other bivalve co-habiting the intertidal salt marsh. The finding of a highly infested population (> 85% in the specimens longer than 20 mm) of a new host at the lower subtidal part of Rio San Pedro mouth, the bivalve Psammotreta cumana, led us to discuss the host-specificity of O. humesi. In addition, the observation of living specimens during sampling and laboratory handling enabled detailed observations of the host-entering behaviour of the specimens living with S. plana, which are also described and illustrated. Living, uninfested specimens of P. cumana have not been obtained, preventing us from checking the host-entering behaviour in ... Article in Journal/Newspaper North East Atlantic Digital.CSIC (Spanish National Research Council) Median Ridge ENVELOPE(-62.833,-62.833,-64.983,-64.983) Noire ENVELOPE(140.019,140.019,-66.666,-66.666) Pointe Noire ENVELOPE(-62.583,-62.583,-64.667,-64.667) Zoological Journal of the Linnean Society 174 3 429 446 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Parasyllidea Symbiosis Behaviour Bivalvia Hesionidae Iberian Peninsula North-east Atlantic New host Oxydromus |
spellingShingle |
Parasyllidea Symbiosis Behaviour Bivalvia Hesionidae Iberian Peninsula North-east Atlantic New host Oxydromus Martin, Daniel Nygren, Arne Hjelmstedt, Per Drake, Pilar Gil, João On the enigmatic symbiotic polychaete ‘Parasyllidea’ humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour |
topic_facet |
Parasyllidea Symbiosis Behaviour Bivalvia Hesionidae Iberian Peninsula North-east Atlantic New host Oxydromus |
description |
18 págines, 11 figuras, 2 tablas. The hesionid genus Parasyllidea differs from Oxydromus in lacking median antennae. It was originally described to include a single species, P. humesi, known only from its original description. This was based on specimens from mangrove swamps at Pointe-Noire (Republic of Congo, West Africa), living endosymbiotically with the bivalve Tellina nymphalis. Lately, the genus included P. blacki and P. australiensis. A new population of P. humesi was recently found at the upper intertidal level of Rio San Pedro salt marsh in Cádiz Bay (eastern Atlantic, Iberian Peninsula). It was also living endosymbiotically, but with another bivalve, Scrobicularia plana. Some Iberian and Congolese specimens revealed the presence of a small papilla-like central antenna associated with the prostomial median ridge, which raised some doubts on the validity of the genus Parasyllidea. A phylogenetic analysis based on the mitochondrial COI and 16S and the nuclear 18S and 28S genes confirms Parasyllidea as a junior synonym of Oxydromus. Therefore, in this paper, P. humesi is fully re-described as Oxydromus humesi comb. nov. The worm has never been reported as free-living. Previously, the association appeared to be an obligate symbiosis, closer to parasitism, as infested hosts had lower relative biomasses than non-infested ones and the worm did not occur locally inside any other bivalve co-habiting the intertidal salt marsh. The finding of a highly infested population (> 85% in the specimens longer than 20 mm) of a new host at the lower subtidal part of Rio San Pedro mouth, the bivalve Psammotreta cumana, led us to discuss the host-specificity of O. humesi. In addition, the observation of living specimens during sampling and laboratory handling enabled detailed observations of the host-entering behaviour of the specimens living with S. plana, which are also described and illustrated. Living, uninfested specimens of P. cumana have not been obtained, preventing us from checking the host-entering behaviour in ... |
author2 |
Generalitat de Catalunya Ministerio de Economía y Competitividad (España) Royal Physiographic Society of Lund |
format |
Article in Journal/Newspaper |
author |
Martin, Daniel Nygren, Arne Hjelmstedt, Per Drake, Pilar Gil, João |
author_facet |
Martin, Daniel Nygren, Arne Hjelmstedt, Per Drake, Pilar Gil, João |
author_sort |
Martin, Daniel |
title |
On the enigmatic symbiotic polychaete ‘Parasyllidea’ humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour |
title_short |
On the enigmatic symbiotic polychaete ‘Parasyllidea’ humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour |
title_full |
On the enigmatic symbiotic polychaete ‘Parasyllidea’ humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour |
title_fullStr |
On the enigmatic symbiotic polychaete ‘Parasyllidea’ humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour |
title_full_unstemmed |
On the enigmatic symbiotic polychaete ‘Parasyllidea’ humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour |
title_sort |
on the enigmatic symbiotic polychaete ‘parasyllidea’ humesi pettibone, 1961 (hesionidae): taxonomy, phylogeny and behaviour |
publisher |
Wiley-Blackwell |
publishDate |
2015 |
url |
http://hdl.handle.net/10261/112761 https://doi.org/10.1111/zoj.12249 https://doi.org/10.13039/501100003329 https://doi.org/10.13039/501100002809 |
long_lat |
ENVELOPE(-62.833,-62.833,-64.983,-64.983) ENVELOPE(140.019,140.019,-66.666,-66.666) ENVELOPE(-62.583,-62.583,-64.667,-64.667) |
geographic |
Median Ridge Noire Pointe Noire |
geographic_facet |
Median Ridge Noire Pointe Noire |
genre |
North East Atlantic |
genre_facet |
North East Atlantic |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2013-43287-P http://dx.doi.org/10.1111/zoj.12249 Sí Zoological Journal of the Linnean Society 174(3): 429-446 (2015) 0024-4082 http://hdl.handle.net/10261/112761 doi:10.1111/zoj.12249 1096-3642 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100002809 |
op_rights |
none |
op_doi |
https://doi.org/10.1111/zoj.1224910.13039/50110000332910.13039/501100002809 |
container_title |
Zoological Journal of the Linnean Society |
container_volume |
174 |
container_issue |
3 |
container_start_page |
429 |
op_container_end_page |
446 |
_version_ |
1790604948501692416 |