Fredrik Pleijel
About Fredrik Pleijel
Research interests Assessment of polychaete phylogeny based on combined morphological and molecular data. Polychaete phylogeny is currently in a state of flux, but we are (hopefully) on our way to resolve the relationships among the major clades of polychaetes and annelids. My work is concentrated on the relationships within aciculate (“errant”) polychaetes, a group that includes around 5.000 species worldwide, together with more detailed studies and revisions of aciculate subgroups, mainly Hesionidae and Phyllodocidae. Other interests include biological nomenclature and the PhyloCode (an alternative taxonomic naming system to the current, Linnaean one) and to develop identification literature.
“Worms” in general does not appeal much to layman (except possibly as bait), at least not from an aestethical point of view, but by means of photography of live animals and electron microscopy I attempt to document the underestimated beauty of these animals.
Funded by The Swedish Research Council.
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Phylogenomics resolves ambiguous relationships within Aciculata (Errantia,
Annelida)
E. Tilic, J. Stiller, E. Campos, Fredrik Pleijel, G. W. Rouse
Molecular Phylogenetics and Evolution - 2022 -
New symbiotic association in marine annelids: ectoparasites of comb
jellies
G. San Martin, P. Alvarez-Campos, Y. Kondo, J. Nunez, M. A. Fernandez-Alamo, Fredrik Pleijel, F. E. Goetz, A. Nygren, K. Osborn
Zoological Journal of the Linnean Society - 2021 -
Spaghetti to a Tree: A Robust Phylogeny for Terebelliformia (Annelida) Based on Transcriptomes, Molecular and Morphological
Data
J. Stiller, E. Tilic, V. Rousset, Fredrik Pleijel, G. W. Rouse
Biology-Basel - 2020 -
Molecular and morphometric analyses identify new lineages within a large Eumida (Annelida) species
complex
M. A. L. Teixeira, P. E. Vieira, Fredrik Pleijel, B. R. Sampieri, A. Ravara, F. O. Costa, Arne Nygren
Zoologica Scripta - 2020 -
Species delimitation in Amblyosyllis (Annelida,
Syllidae)
M. T. Aguado, M. Capa, D. Lago-Barcia, J. Gil, Fredrik Pleijel, Arne Nygren
Plos One - 2019 -
Phylogeny, evolution and mitochondrial gene order rearrangement in scale worms (Aphroditiformia,
Annelida)
Yanjie Zhang, Jin Sun, Greg W. Rouse, Helena Wiklund, Fredrik Pleijel, Hiromi K. Watanabe, Chong Chen, Pei Yuan Qian, Jian Wen Qiu
Molecular Phylogenetics and Evolution - 2018 -
Phylogeny of Hesionidae (Aciculata, Annelida), with four new species from deep-sea eastern Pacific methane seeps, and resolution of the affinity of
Hesiolyra
G. W. Rouse, J. I. Carvajal, Fredrik Pleijel
Invertebrate Systematics - 2018 -
Makrofauna mjukbotten. En tillståndsbedömning runt Sveriges
kuster
Stefan Agrenius, Fredrik Pleijel, Erika Norlinder, C Raymond, O Svensson, J Gunnarsson, J Albertsson
Havet 2015/2016 - 2016 -
Free-living calamyzin chrysopetalids (Annelida) from methane seeps, anoxic basins, and whale
falls
C. Watson, J. Ignacio Carvajal, N. G. Sergeeva, Fredrik Pleijel, G. W. Rouse
Zoological Journal of the Linnean Society - 2016 -
Articulating "Archiannelids": Phylogenomics and Annelid Relationships, with Emphasis on Meiofaunal
Taxa
S. C. S. Andrade, M. Novo, G. Y. Kawauchi, K. Worsaae, Fredrik Pleijel, G. Giribet, G. W. Rouse
Molecular Biology and Evolution - 2015 -
Whale falls, multiple colonisations of the deep, and the phylogeny of Hesionidae
(Annelida)
M. Summers, Fredrik Pleijel, G. W. Rouse
Invertebrate Systematics - 2015 -
Bertil Åkesson (1928-2013)
obituary.
Arne Nygren, Thomas Dahlgren, Fredrik Pleijel, Helena Wiklund, Tomas Cedhagen, Christer Erséus, Malte Andersson
Memoires of Museum Victoria - 2014 -
Cryptic species of Archinome (Annelida: Amphinomida) from vents and
seeps
E. Borda, J. D. Kudenov, P. Chevaldonne, J. A. Blake, D. Desbruyeres, M. C. Fabri, S. Hourdez, Fredrik Pleijel, T. M. Shank, N. G. Wilson, A. Schulze, G. W. Rouse
Proceedings of the Royal Society B-Biological Sciences - 2013 -
Phylogeny, biogeography and systematics of hydrothermal vent and methane seep Amphisamytha (Ampharetidae, Annelida), with descriptions of three new
species
J. Stiller, V. Rousset, Fredrik Pleijel, P. Chevaldonne, R. C. Vrijenhoek, G. W. Rouse
Systematics and Biodiversity - 2013 -
A revision of Nereimyra (Psamathini, Hesionidae, Aciculata,
Annelida)
Fredrik Pleijel, G. W. Rouse, Arne Nygren
Zoological Journal of the Linnean Society - 2012 -
Phylogeny of scale-worms (Aphroditiformia, Annelida), assessed from 18SrRNA, 28SrRNA, 16SrRNA, mitochondrial cytochrome c oxidase subunit I (COI), and
morphology
Erika Norlinder, Arne Nygren, H. Wiklund, Fredrik Pleijel
Molecular Phylogenetics and Evolution - 2012 -
New and lesser known species of Chrysopetalidae, Phyllodocidae and Syllidae from south California (Phyllodocida, Aciculata,
Annelida)
Fredrik Pleijel, M. T. Aguado, G. W. Rouse
Zootaxa - 2012 -
A partial revision of Gyptis (Gyptini, Ophiodrominae, Hesionidae, Aciculata, Annelida), with descriptions of a new tribe, a new genus and five new
species
Fredrik Pleijel, G. W. Rouse, Tobias Sundkvist, Arne Nygren
Zoological Journal of the Linnean Society - 2012 -
The symbiotic hesionid Parasyllidea humesi Pettibone, 1961 (Annelida: Polychaeta) hosted by Scrobicularia plana (da Costa, 1778) (Mollusca: Bivalvia: Semelidade) in European
waters
D. Martin, J. A. Cuesta, P. Drake, J. Gil, Arne Nygren, Fredrik Pleijel
Organisms Diversity & Evolution - 2012 -
From one to ten in a single stroke - resolving the European Eumida sanguinea (Phyllodocidae, Annelida) species
complex
Arne Nygren, Fredrik Pleijel
Molecular Phylogenetics and Evolution - 2011 -
Chimaeras and the origins of the holopelagic annelids Typhloscolecidae and Lopadorhynchidae: a reply to Struck & Halanych
(2010)
Arne Nygren, Fredrik Pleijel
Zoologica Scripta - 2011 -
A new species of Odontosyllis Claparede, 1863 (Annelida, Syllidae) with re-descriptions of O. liniata Hartmann-Schroder, 1962 and O. gymnocephala Hartmann-Schroder,
1965
A. Verdes, Fredrik Pleijel, M. T. Aguado
Zootaxa - 2011 -
Colour polymorphism in the polychaete Harmothoe imbricata (Linnaeus,
1767)
Arne Nygren, Erika Norlinder, Marina Panova, Fredrik Pleijel
Marine Biology Research - 2011 -
Two new and two poorly known autolytines (Polychaeta: Syllidae) from Madeira and the Mediterranean
Sea
Arne Nygren, Tobias Sundkvist, Barbara Mikac, Fredrik Pleijel
Zootaxa - 2010 -
First record of the association between the amphipod Metopa alderii and the bivalve
Musculus.
A. H. Tandberg, Christoffer Schander, Fredrik Pleijel
Marine Biodiversity Records - 2010 -
The fauna of hydrothermal vents on the Mohn Ridge (North
Atlantic)
C Schander, HT Rapp, JA Kongsrud, T Bakken, J Berge, S Cochrane, E Oug, I Byrkjedal, C Todt, T Cedhagen, A Fosshagen, A Gebruk, K Larsen, L Levin, Matthias Obst, Fredrik Pleijel, S Stöhr, A Warén, NT Mikkelsen, S Hadler-Jacobsen, R Keuning, KH Petersen, IH Thorseth, RB Pedersen
Marine Biology Research - 2010 -
Nephtyidae (Annelida, Polychaeta) from southern
Europe
A. Ravara, M. R. Cunha, Fredrik Pleijel
Zootaxa - 2010 -
Phylogenetic relationships within Nephtyidae (Polychaeta,
Annelida)
A. Ravara, H. Wiklund, M. R. Cunha, Fredrik Pleijel
Zoologica Scripta - 2010 -
Chambered chaetae in nereidiform polychaetes
(Annelida)
Fredrik Pleijel, L. Gustavsson
Zoomorphology - 2010 -
Redescription of Imajimaea draculai-a rare syllid polychaete associated with the sea pen Funiculina
quadrangularis
Arne Nygren, Fredrik Pleijel
Journal of the Marine Biological Association of the United Kingdom - 2010 -
Cryptic species of Notophyllum (Polychaeta: Phyllodocidae) in Scandinavian
waters
Arne Nygren, Jenny Eklöf, Fredrik Pleijel
Organisms Diversity & Evolution - 2010 -
Five colour morphs and three new species of Gyptis (Hesionidae, Annelida) under a jetty in Edithburgh, South
Australia
Fredrik Pleijel, G.W. Rouse, Arne Nygren
Zoologica Scripta - 2009 -
Progress in systematics: from Siboglinidae to Pogonophora and Vestimentifera and back to
Siboglinidae
Fredrik Pleijel, Thomas G. Dahlgren, Greg W Rouse
Comptes rendus de l'Academie des sciences - 2009 -
Deep-Sea, Swimming Worms with Luminescent
"Bombs"
K. J. Osborn, S. H. D. Haddock, Fredrik Pleijel, L. P. Madin, G. W. Rouse
Science - 2009 -
Arctic-boreal sibling species of Paranaitis (Polychaeta,
Phyllodocidae)
Arne Nygren, Jenny Eklöf, Fredrik Pleijel
Marine Biology Research - 2009 -
Eumida sanguinea - en taxonoms
mardröm
Arne Nygren, Fredrik Pleijel
Poster, systematikdagarna i Stockholm 2009 - 2009 -
Phylogenies without roots? A plea for the use of vouchers in molecular phylogenetic
studies.
Fredrik Pleijel, U Jondelius, Erika Norlinder, Arne Nygren, Bengt Oxelman, C Schander, Per Sundberg, M Thollesson
Molecular phylogenetics and evolution - 2008 -
The phylogenetic relationships between Amphinomidae, Archinomidae and Euphrosinidae (Amphinomida: Aciculata: Polychaeta), inferred from molecular
data
Helena Wiklund, Arne Nygren, Fredrik Pleijel, Per Sundberg
Journal of the Marine Biological Association of the UK - 2008 -
Vrijenhoekia balaenophila, a new hesionid polychaete from a whale fall off CaliforniaVrijenhoekia balaenophila, a new hesionid polychaete from a whale fall off
California
Fredrik Pleijel, G. W. Rouse, C. Ruta, Helena Wiklund, Arne Nygren
Zoological Journal of the Linnean Society - 2008 -
Marinbiologisk undersökning av Sannäsfjorden.
Naturinventeringar.
Lars-Ove Loo, Fredrik Pleijel
Naturinventeringar, Västra Götalands län - 2008 -
Drakulamask ny havsborstmask i
Sverige
Arne Nygren, Fredrik Pleijel, Matz S. Berggren
Fauma och Flora - 2008 -
Annelida
G. W. Rouse, Fredrik Pleijel
Zootaxa - 2008 -
Worms by
number
C. J. Glasby, S. P. Glasby, Fredrik Pleijel
Proceedings of the Royal Society B-Biological Sciences - 2008 -
Phylogeny of Hesionidae (Aciculata, Polychaeta), assessed from morphology, 18S rDNA, 28S rDNA, 16S rDNA and
COI
C. Ruta, Arne Nygren, V. Rousset, Per Sundberg, Helena Wiklund, Fredrik Pleijel
Zoologica Scripta - 2007 -
Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular
data
Jenny Eklöf, Fredrik Pleijel, Per Sundberg
Molecular Phylogenetics and Evolution - 2007 -
Annelida
Greg W Rouse, Fredrik Pleijel
Zootaxa - 2007 -
A new species of Myrianida (Syllidae, Polychaeta) from
Belize
Arne Nygren, Fredrik Pleijel
Zootaxa - 2007 -
Identifying new polychaetes in Scandinavia with the barcode gene
COI
Arne Nygren, Erika Norlinder, Fredrik Pleijel
Poster, Ninth International Polychaete conference 12-17 Augusti 2007 - 2007 -
A molecular phylogeny of
annelids
V. Rousset, Fredrik Pleijel, G. Rouse, Christer Erséus, M. E. Siddall
Cladistics - 2007 -
A molecular phylogeny of
Annelida
V. Rousset, Fredrik Pleijel, G. W. Rouse, Christer Erséus, M. E. Siddall
Cladistics - 2006 -
Identifering av nya havsborstmaskar i Skandinaviska vatten med hjälp av streckkodsgenen
COI.
Arne Nygren, Fredrik Pleijel
Systematikdagarna, Göteborg 2006 - 2006 -
Snarlika havsborstmaskar i svenska
vatten.
Fredrik Pleijel, Arne Nygren
Fauna & Flora - 2006 -
Taxonomic surrogacy in biodiversity assessments, and the meaning of Linnaean
ranks
Y. Bertrand, Fredrik Pleijel, G. W. Rouse
Systematics and Biodiversity - 2006 -
A revision of Syllidia (Psamathini, Hesionidae,
Polychaeta)
C. Ruta, Fredrik Pleijel
Journal of Natural History - 2006 -
A new branchiate hesionid polychaete (Annelida, Hesionidae) from New
Caledonia
C. Ruta, Fredrik Pleijel
Zoosystema - 2006 -
Phylogenetic position of Nerillidae and Aberranta (Polychaeta, Annelida), analysed by direct optimization of combined molecular and morphological
data
K. Worsaae, Arne Nygren, G. W. Rouse, G. Giribet, Jenny Persson, Per Sundberg, Fredrik Pleijel
Zoologica Scripta - 2005 -
Genetic relationships between Nereimyra punctata and N-woodsholea (Hesionidae,
Polychaeta)
Arne Nygren, Fredrik Pleijel, Per Sundberg
Journal of Zoological Systematics and Evolutionary Research - 2005 -
Phylogeny of Aphroditiformia (Polychaeta) based on molecular and morphological
data
Helena Wiklund, Arne Nygren, Fredrik Pleijel, Per Sundberg
Molecular Phylogenetics and Evolution - 2005 -
A revision of Micropodarke (Psamathini, Hesionidae,
Polychaeta)
Fredrik Pleijel, G. Rouse
Journal of Natural History - 2005 -
Revision of Aberranta Hartman, 1965 (Aberrantidae : Annelida), with descriptions of new species from the Mediterranean and Hong
Kong
A. S. Y. Mackie, Fredrik Pleijel, G. W. Rouse
Marine Ecology-an Evolutionary Perspective - 2005 -
Reproductive biology of a new hesionid polychaete from the Great Barrier
Reef
Fredrik Pleijel, G. W. Rouse
Biological Bulletin - 2005 -
Phylogenetic relationships within Nereididae (Annelida :
Phyllodocida)
Cinthya S. G. Santos, Fredrik Pleijel, Paulo Lana, G. W. Rouse
Invertebrate Systematics - 2005 -
On the phylogenetic relationships of Axiokebuita, Travisia and Scalibregmatidae
(Polychaeta)
Jenny Persson, Fredrik Pleijel
Zootaxa - 2005 -
Molecular phylogeny of the Annelida [Abstract; 22nd Annual Meeting of the Willi Hennig
Society]
V Rousset, M. E. Siddall, Greg W Rouse, Fredrik Pleijel, Christer Erséus
Cladistics - 2004 -
Types of polychaetous annelids at the Museum national d'Histoire naturelle,
Paris
V. Solis-Weiss, Y. Bertrand, M. N. Helleouet, Fredrik Pleijel
Zoosystema - 2004 -
A revision of Hesiospina (Psamathini, Hesionidae,
Polychaeta)
Fredrik Pleijel
Journal of Natural History - 2004 -
The phylogenetic position of Siboglinidae (Annelida) inferred from 18S rRNA, 28S rRNA and morphological
data
V. Rousset, G. W. Rouse, M. E. Siddall, A. Tillier, Fredrik Pleijel
Cladistics - 2004 -
Carboniferous fireworms (Amphinomida : Annelida), with a discussion of species taxa in
palaeontology
Fredrik Pleijel, G. W. Rouse, J. Vannier
Invertebrate Systematics - 2004 -
Phylogenetic nomenclature is compatible with diverse philosophical
perspectives
Fredrik Pleijel, M. Härlin
Zoologica Scripta - 2004 -
A revision of Paranaitis Southern, 1914 (Polychaeta :
Phyllodocidae)
T. Kato, Fredrik Pleijel
Zoological Journal of the Linnean Society - 2003 -
Molecular and morphological evidence of Alvinellidae relationships (Terebelliformia, Polychaeta,
Annelida)
V. Rousset, G. W. Rouse, J. P. Feral, D. Desbruyeres, Fredrik Pleijel
Zoologica Scripta - 2003 -
Ceci n'est pas une pipe: names, clades and phylogenetic
nomenclature
Fredrik Pleijel, G. W. Rouse
Journal of Zoological Systematics and Evolutionary Research - 2003 -
Problems in polychaete
systematics
G. W. Rouse, Fredrik Pleijel
Hydrobiologia - 2003 -
A revision of Notophyllum Orsted, 1843 (Phyllodocidae,
Polychaeta)
T. Kato, Fredrik Pleijel
Journal of Natural History - 2002 -
Morphological and molecular evidence of the phylogeny of Nereidiform polychaetes
(Annelida)
Thomas G. Dahlgren, J. Lundberg, Fredrik Pleijel, Per Sundberg
Journal of Zoological Systematics and Evolutionary Research - 2000 -
Position and delineation of Chrysopetalidae and Hesionidae (Annelida, polychaeta,
Phyllodocida)
Fredrik Pleijel, Thomas G. Dahlgren
Cladistics-the International Journal of the Willi Hennig Society - 1998 -
On the generic allocation of Chrysopetalum
caecum
Thomas G. Dahlgren, Fredrik Pleijel
Mitteilongen aus dem Hamburgschischen zoologischen Museum und Institut - 1995