Ulf Jondelius, Iñaki Ruiz‐Trillo, Jaume Baguñà, Marta Riutort,
... evaluate and clarify the phylogenetic position of the Nemertodermatida, new sequence data from 18S ribosomal DNA and ... a basal position within the Bilateria for the Nemertodermatida as a sister group to all other bilaterian ... the Acoela. Despite the basal position of both Nemertodermatida and Acoela, the clade Acoelomorpha was not retrieved. ... for the ancestor of all bilaterians excluding the Nemertodermatida and the Acoela, and its descendants.
Tópico(s): Marine Invertebrate Physiology and Ecology
2002 - Wiley | Zoologica Scripta
... Saló, E. 2006. Hox and ParaHox genes in Nemertodermatida, a basal bilaterian clade. Int. J. Dev. Biol. ... epidermal ciliary rootlets and associated structures of the Nemertodermatida and Acoela (Plathelminthes). Zoomorphology 117: 81–92. 10. ... Degenerating epidermal cells in Xenoturbella bocki (phylum uncertain), Nemertodermatida and Acoela (Platyhelminthes). Belg. J. Zool. 131 (suppl.): ... U. 2004a. Basiepithelial nervous system in Nemertoderma westbladi (Nemertodermatida): GYIRFamide immunoreactivity. Zoology 107: 75–86. PubMedWeb of ...
Tópico(s): Evolution and Paleontology Studies
2010 - Wiley | Evolution & Development
The Nemertodermatida is a small group of worms, regarded as an order of the Platyhelminthes. The group is of ... position in the Platyhelminthes. The phylogeny of the Nemertodermatida was estimated using paup 4.0 software for ... a consistency index (CI) of 0.80. The Nemertodermatida, Ascoparidae and Nemertodermatidae are shown as monophyletic taxa ...
Tópico(s): Nematode management and characterization studies
2000 - Wiley | Zoologica Scripta
Olga I. Raikova, M. Reuter, Ulf Jondelius, Margaretha K. S. Gustafsson,
The taxa Nemertodermatida and Acoela have traditionally been considered closely related and classified as sister groups within the Acoelomorpha Ehlers 1984 ( ... HT-immunoreactive fibres. It is demonstrated that the Nemertodermatida have neither a 'commissural brain' structure similar to ... or apomorphic nature of the nervous system in Nemertodermatida cannot yet be answered. The neuroanatomy of the ...
Tópico(s): Neuroscience and Neural Engineering
2000 - Elsevier BV | Tissue and Cell
Inga Meyer-Wachsmuth, Ulf Jondelius,
Nemertodermatida is a small taxon of microscopic marine worms, which were originally classified within Platyhelminthes. Today they ... neglected group. Here, we analyse the phylogeny of Nemertodermatida using nucleotide sequences from the ribosomal LSU and ... all analyses as sister groups. Non-monophyly of Nemertodermatida was rejected by the Approximately Unbiased test. Nemertodermatid ...
Tópico(s): Marine Ecology and Invasive Species
2015 - Springer Science+Business Media | Organisms Diversity & Evolution
Maximilian J. Telford, Anne E. Lockyer, C. Cartwright–Finch, D. Timothy J. Littlewood,
... two other groups of acoelomate worms, Acoela and Nemertodermatida, is less clear. Although many characteristics unite these two groups, initial molecular phylogenetic studies placed the Nemertodermatida within the Rhabditophora, but placed the Acoela at ... supported by the data. We conclude that the Nemertodermatida and Acoela are basal bilaterians and, owing to ...
Tópico(s): Parasite Biology and Host Interactions
2003 - Royal Society | Proceedings of the Royal Society B Biological Sciences
... in such present-day basal Bilateria as the Nemertodermatida. The only mesodermal cells between epidermis and gastrodermis in Nemertodermatida are myocytes, and conceivably the myocyte was, in fact, the original mesodermal cell type. In Nemertodermatida as well as the Acoela, myocytes are subepithelial ...
Tópico(s): Marine Ecology and Invasive Species
2003 - Oxford University Press | Integrative and Comparative Biology
Andreas Wållberg, Marco Curini‐Galletti, Afsaneh Ahmadzadeh, Ulf Jondelius,
... Bayesian methods of phylogenetic reconstruction to show that Nemertodermatida, generally classified as the sister group of Acoela ... the total evidence analysis. Establishment of Acoela and Nemertodermatida as two early lineages facilitates reconstruction of ancestral ...
Tópico(s): Plant and Biological Electrophysiology Studies
2007 - Wiley | Zoologica Scripta
Eva Jiménez-Guri, Jordi Paps, Jordi García‐Fernàndez, Emili Saló,
... Acoelomorpha, a proposed phylum composed of acoel and Nemertodermatida flatworms, are the most basal bilaterian animals. Hox ... of the other members of the group, the Nemertodermatida, have been done. In order to get a ...
Tópico(s): Developmental Biology and Gene Regulation
2006 - University of the Basque Country | The International Journal of Developmental Biology
Inga Meyer-Wachsmuth, Olga I. Raikova, Ulf Jondelius,
Nemertodermatida is a small taxon of marine worm-like animals; its position in the tree of life ... might give insights into the internal relationships of Nemertodermatida and might prove to be useful in studies ...
Tópico(s): Tardigrade Biology and Ecology
2013 - Springer Science+Business Media | Zoomorphology
Olga I. Raikova, Inga Meyer-Wachsmuth, Ulf Jondelius,
Nemertodermatida are microscopic marine worms likely to be the sister group to acoels, forming with them the ... apparent absence of innervation of the gut in Nemertodermatida similar to the condition in Xenoturbella.
Tópico(s): Marine Biology and Ecology Research
2015 - Springer Science+Business Media | Organisms Diversity & Evolution
Andreas Hejnol, Matthias Obst, Alexandros Stamatakis, Michael Ott, Greg W. Rouse, Gregory D. Edgecombe, Pedro Martı́nez, Jaume Baguñà, Xavier Bailly, Ulf Jondelius, Matthias Wiens, Wernér E.G. Müller, Elaine C. Seaver, Ward C. Wheeler, Mark Q. Martindale, Gonzalo Giribet, Casey W. Dunn,
... the placement of the acoelomorph flatworms, Acoela and Nemertodermatida, has fundamental implications for the origin and evolution ... simultaneously examine many genes from many species, while Nemertodermatida has not been sampled in any phylogenomic study. ...
Tópico(s): Marine Ecology and Invasive Species
2009 - Royal Society | Proceedings of the Royal Society B Biological Sciences
Iñaki Ruiz‐Trillo, Jordi Paps, Mercè Loukota, Carles Ribera, Ulf Jondelius, Jaume Baguñà, Marta Riutort,
... two of its orders, the Acoela and the Nemertodermatida, as the earliest extant bilaterians. To corroborate such ...
Tópico(s): Marine Ecology and Invasive Species
2002 - National Academy of Sciences | Proceedings of the National Academy of Sciences
... and Convolutidae, as well as one species of Nemertodermatida and Catenulida, respectively. It is shown that among ... the mouth in the representatives of Paratomellidae and Nemertodermatida. On the basis of the profound differences in ...
Tópico(s): Parasite Biology and Host Interactions
2008 - Wiley | Journal of Morphology
Adina Mwinyi, Xavier Bailly, Sarah J. Bourlat, Ulf Jondelius, D. Timothy J. Littlewood, Lars Podsiadłowski,
... coding genes support a position of Acoela and Nemertodermatida as the sister group to all other Bilateria. ... seems to be very variable among Acoela and Nemertodermatida and the groundplan for the metazoan mitochondrial genome ...
Tópico(s): Marine Ecology and Invasive Species
2010 - Springer Science+Business Media | BMC Evolutionary Biology
M.A. Boone, Wim Bert, Myriam Claeys, Wouter Houthoofd, Tom Artois,
... testes in two representatives of the enigmatic taxon Nemertodermatida was studied using transmission electron microscopy. Nemertoderma westbladi ...
Tópico(s): Protist diversity and phylogeny
2011 - Springer Science+Business Media | Zoomorphology
Olga I. Raikova, Maria Reuter, Margaretha K. S. Gustafsson, Aaron G. Maule, D.W. Halton, Ulf Jondelius,
The Nemertodermatida are a small group of microscopic marine worms. Recent molecular studies have demonstrated that they are likely ...
Tópico(s): Neurobiology and Insect Physiology Research
2004 - Elsevier BV | Zoology
Gonzalo Giribet, Daniel L. Distel, Martin F. Polz, Wolfgang Sterrer, Ward C. Wheeler,
... for certain groups such as Chaetognatha, Acoela, and Nemertodermatida. A normalized incongruence length metric is used to ... 4) Platyzoa [((Gnathostomulida (Cycliophora + Syndermata)) (Gastrotricha + Plathelminthes))]. Chaetognatha, Nemertodermatida, and Bryozoa cannot be assigned to any one ...
Tópico(s): Marine Ecology and Invasive Species
2000 - Oxford University Press | Systematic Biology
Inga Meyer-Wachsmuth, Marco Curini Galletti, Ulf Jondelius,
Nemertodermatida are microscopically small, benthic marine worms. Specimens of two nominal species, Sterreria psammicola and Nemertinoides elongatus ...
Tópico(s): Parasite Biology and Host Interactions
2014 - Public Library of Science | PLoS ONE
... recognized phyla (Silicispongea, Calcispongea, Placozoa, Cnidaria, Ctenophora, Acoela, Nemertodermatida, Orthonecta, Rhombozoa, Rhabditophora, Catenulida, Syndermata, Gnathostomulida, Gastrotricha, Cephalorhyncha, ...
Tópico(s): Parasite Biology and Host Interactions
1970 - Elsevier BV | Journal of Invertebrate Pathology
Seth Tyler, Reinhard M. Rieger,
An ultrastructural study of Nemertoderma (Turbellaria, Nemertodermatida) has revealed that its spermatozoa have only a single flagellum. This is the first uniflagellate spermatozoon known in the Turbellaria; it is ...
Tópico(s): Marine Biology and Ecology Research
1975 - American Association for the Advancement of Science | Science
Åke Franzén, Björn A. Afzelius,
... cilia is known only from the turbellarian orders Nemertodermatida and Acoela, and hence may be an apomorphic ...
Tópico(s): Protist diversity and phylogeny
1987 - Wiley | Zoologica Scripta
Jordi Paps, Jaume Baguñà, Marta Riutort,
... new Lophotrochozoa phylogeny emerges. Also, the Acoela and Nemertodermatida are confirmed with maximum support as the first ...
Tópico(s): Parasite Biology and Host Interactions
2009 - Royal Society | Proceedings of the Royal Society B Biological Sciences
... both taxa are paraphyletic assemblages. The Acoelomorpha (Xenoturbellida?, Nemertodermatida and Acoela) are considered as the earliest offshoot ...
Tópico(s): Marine Biology and Ecology Research
2009 - Wiley | Journal of Zoological Systematics & Evolutionary Research
Mark Q. Martindale, Andreas Hejnol,
... A. Jondelius U. Dismissal of acoelomorpha: acoela and nemertodermatida are separate early bilaterian clades.Zool. Scr. 2007; ...
Tópico(s): Marine and coastal plant biology
2009 - Elsevier BV | Developmental Cell
Tópico(s): Cephalopods and Marine Biology
1992 - Springer Science+Business Media | Zoomorphology
... recognized phyla (Silicispongea, Calcispongea, Placozoa, Cnidaria, Ctenophora, Acoela, Nemertodermatida, Orthonecta, Rhombozoa, Rhabditophora, Catenulida, Syndermata, Gnathostomulida, Gastrotricha, Cephalorhyncha, ...
Tópico(s): Marine Ecology and Invasive Species
1992 - Elsevier BV | Palaeogeography Palaeoclimatology Palaeoecology
Matthew K. Fujita, Adam D. Leaché,
... 2014) Hyper-Cryptic Marine Meiofauna: Species Complexes in Nemertodermatida, PLoS ONE, 10.1371/journal.pone.0107688, 9: ...
Tópico(s): Forest Ecology and Biodiversity Studies
2010 - Royal Society | Proceedings of the Royal Society B Biological Sciences
Aaron M. Bauer, James F. Parham, Rafe M. Brown, Bryan L. Stuart, L. Lee Grismer, Theodore J. Papenfuss, Wolfgang Böhme, Jay M. Savage, Salvador Carranza, Jesse L. Grismer, Philipp Wagner, Andreas Schmitz, Natalia B. Ananjeva, Robert F. Inger,
... 2014) Hyper-Cryptic Marine Meiofauna: Species Complexes in Nemertodermatida, PLoS ONE, 10.1371/journal.pone.0107688, 9: ...
Tópico(s): Ecology and Vegetation Dynamics Studies
2010 - Royal Society | Proceedings of the Royal Society B Biological Sciences
Hervé Philippe, Henner Brinkmann, Pedro Martı́nez, Marta Riutort, Jaume Baguñà,
... evolving acoels (or from its sister-group, the Nemertodermatida) to solve this challenging phylogenetic problem.
Tópico(s): Marine Ecology and Invasive Species
2007 - Public Library of Science | PLoS ONE