PHYLOGENETIC ANALYSIS OF DENDRONOTUS NUDIBRANCHS WITH EMPHASIS ON NORTHEASTERN PACIFIC SPECIES
Molecular and morphological evidence suggests that the taxonomic status of several eastern Pacific species of Dendronotus needs a reassessment. Dendronotus diversicolor and D. albus are synonymized due to lack of genetic variation in the 16S rRNA gene and of any significant morphological differences...
Published in: | Journal of Molluscan Studies |
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fthighwire:oai:open-archive.highwire.org:mollus:eyq022v1 2023-05-15T14:56:08+02:00 PHYLOGENETIC ANALYSIS OF DENDRONOTUS NUDIBRANCHS WITH EMPHASIS ON NORTHEASTERN PACIFIC SPECIES Stout, Carla C. Pola, Marta Valdés, Ángel 2010-07-08 02:08:30.0 text/html http://mollus.oxfordjournals.org/cgi/content/short/eyq022v1 https://doi.org/10.1093/mollus/eyq022 en eng Oxford University Press http://mollus.oxfordjournals.org/cgi/content/short/eyq022v1 http://dx.doi.org/10.1093/mollus/eyq022 Copyright (C) 2010, The Malacological Society of London ARTICLE TEXT 2010 fthighwire https://doi.org/10.1093/mollus/eyq022 2015-03-01T00:23:11Z Molecular and morphological evidence suggests that the taxonomic status of several eastern Pacific species of Dendronotus needs a reassessment. Dendronotus diversicolor and D. albus are synonymized due to lack of genetic variation in the 16S rRNA gene and of any significant morphological differences. Dendronotus nanus and D. iris are also regarded as synonyms based on a reevaluation of ecological and morphological data. Finally, the name D. venustus is resurrected for eastern Pacific populations previously considered to be D. frondosus . Pacific D. venustus display consistent morphological and molecular differences from Atlantic D. frondosus . The molecular phylogeny presented here is not robust enough to shed light on the evolution and biogeography of Dendronotus , but preliminary evidence indicates that the Pacific species of Dendronotus are not a monophyletic group, because Arctic and Atlantic species are nested within them. The 16S rRNA genetic diversity within Dendronotus is very small compared to that of other related groups. These data, along with the comparatively large diversity of Dendronotus in the Pacific, suggest the possibility that relatively recent Arctic migration and vicariance along Beringia may have been involved in the evolution of this group. Text Arctic Beringia HighWire Press (Stanford University) Arctic Pacific Journal of Molluscan Studies 76 4 367 375 |
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HighWire Press (Stanford University) |
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English |
topic |
ARTICLE |
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ARTICLE Stout, Carla C. Pola, Marta Valdés, Ángel PHYLOGENETIC ANALYSIS OF DENDRONOTUS NUDIBRANCHS WITH EMPHASIS ON NORTHEASTERN PACIFIC SPECIES |
topic_facet |
ARTICLE |
description |
Molecular and morphological evidence suggests that the taxonomic status of several eastern Pacific species of Dendronotus needs a reassessment. Dendronotus diversicolor and D. albus are synonymized due to lack of genetic variation in the 16S rRNA gene and of any significant morphological differences. Dendronotus nanus and D. iris are also regarded as synonyms based on a reevaluation of ecological and morphological data. Finally, the name D. venustus is resurrected for eastern Pacific populations previously considered to be D. frondosus . Pacific D. venustus display consistent morphological and molecular differences from Atlantic D. frondosus . The molecular phylogeny presented here is not robust enough to shed light on the evolution and biogeography of Dendronotus , but preliminary evidence indicates that the Pacific species of Dendronotus are not a monophyletic group, because Arctic and Atlantic species are nested within them. The 16S rRNA genetic diversity within Dendronotus is very small compared to that of other related groups. These data, along with the comparatively large diversity of Dendronotus in the Pacific, suggest the possibility that relatively recent Arctic migration and vicariance along Beringia may have been involved in the evolution of this group. |
format |
Text |
author |
Stout, Carla C. Pola, Marta Valdés, Ángel |
author_facet |
Stout, Carla C. Pola, Marta Valdés, Ángel |
author_sort |
Stout, Carla C. |
title |
PHYLOGENETIC ANALYSIS OF DENDRONOTUS NUDIBRANCHS WITH EMPHASIS ON NORTHEASTERN PACIFIC SPECIES |
title_short |
PHYLOGENETIC ANALYSIS OF DENDRONOTUS NUDIBRANCHS WITH EMPHASIS ON NORTHEASTERN PACIFIC SPECIES |
title_full |
PHYLOGENETIC ANALYSIS OF DENDRONOTUS NUDIBRANCHS WITH EMPHASIS ON NORTHEASTERN PACIFIC SPECIES |
title_fullStr |
PHYLOGENETIC ANALYSIS OF DENDRONOTUS NUDIBRANCHS WITH EMPHASIS ON NORTHEASTERN PACIFIC SPECIES |
title_full_unstemmed |
PHYLOGENETIC ANALYSIS OF DENDRONOTUS NUDIBRANCHS WITH EMPHASIS ON NORTHEASTERN PACIFIC SPECIES |
title_sort |
phylogenetic analysis of dendronotus nudibranchs with emphasis on northeastern pacific species |
publisher |
Oxford University Press |
publishDate |
2010 |
url |
http://mollus.oxfordjournals.org/cgi/content/short/eyq022v1 https://doi.org/10.1093/mollus/eyq022 |
geographic |
Arctic Pacific |
geographic_facet |
Arctic Pacific |
genre |
Arctic Beringia |
genre_facet |
Arctic Beringia |
op_relation |
http://mollus.oxfordjournals.org/cgi/content/short/eyq022v1 http://dx.doi.org/10.1093/mollus/eyq022 |
op_rights |
Copyright (C) 2010, The Malacological Society of London |
op_doi |
https://doi.org/10.1093/mollus/eyq022 |
container_title |
Journal of Molluscan Studies |
container_volume |
76 |
container_issue |
4 |
container_start_page |
367 |
op_container_end_page |
375 |
_version_ |
1766328169644687360 |