Claus Nielsen

Research output

Research output per year 1961 1997 2002 2003 2005 2008 2009 2010 2013 2023

• 3927 Citations
• 100 Journal article
• 25 Book chapter
• 6 Encyclopedia chapter
• 4 Book
• 19 More
  • 3 Comment/debate
  • 3 Literature review
  • 3 Review
  • 2 Conference article
  • 2 Letter
  • 2 Net publication - Internet publication
  • 1 Anthology
  • 1 Conference abstract in journal
  • 1 Contribution to newspaper - Feature article
  • 1 Contribution to newspaper - Newspaper article

Research output per year

Research output per year

Search results

• 2023

  Hydrodynamics in early animal evolution

  Nielsen, C., 2023, In: Biological Reviews. 98, 1, p. 376-385 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  5 Citations (Scopus)

  15 Downloads (Pure)

• Phylum Bryozoa: The Moss Animals (revised)

  Nielsen, C., 2023, Invertebrates. Brusca, R. C., Giribet, G. & Moore, W. (eds.). 4 ed. New York: Sinauer Associates, p. 496-509 14 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review

• Phylum Entoprocta: The Entoprocts (revised)

  Nielsen, C., 2023, Invertebrates. Brusca, R. C., Giribet, G. & Moore, W. (eds.). 4 ed. New York: Sinauer Associates, p. 312-317 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review
• 2020

  Entoprocta

  Nielsen, C., 2020, Guide to the Identification of Marine Meiofauna. Schmidt-Rhaesa, A. (ed.). München: Verlag Dr. Friedrich Pfeil, Munchen, p. 285-287

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

• Havsvampe eller ribbegopler: Hvad kom først?

  Nielsen, C., 2020, https://videnskab.dk/forskerzonen.

  Research output: Other contribution › Net publication - Internet publication › Communication

  Open Access

• The neuromuscular system of the cyclostome bryozoan Crisia eburnea (Linnaeus, 1758)

  Worsaae, K., Frykman, T. & Nielsen, C., 2020, In: Acta Zoologica. 101, 2, p. 133-146

  Research output: Contribution to journal › Journal article › Research › peer-review
  14 Citations (Scopus)

• Who came first, sponges or comb jellies?

  Nielsen, C., 2020, https://sciencenordic.com/researchers-zone.

  Research output: Other contribution › Net publication - Internet publication › Communication

  Open Access
• 2019

  Early animal evolution: a morphologist's view

  Nielsen, C., 2019, In: Royal Society Open Science. 6, 7, p. 1-10 10 p., 190638.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  50 Citations (Scopus)

  130 Downloads (Pure)

• Neuromuscular structure of the larva to early ancestrula stages of the cyclostome bryozoan Crisia eburnea

  Nielsen, C., Bekkouche, N. T. & Worsaae, K., 2019, In: Acta Zoologica. 100, 3, p. 268-281 14 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  5 Citations (Scopus)

• Was the ancestral panarthropod mouth ventral or terminal?

  Nielsen, C., 2019, In: Acta Zoologica. 49, p. 152-154 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  4 Citations (Scopus)
• 2018

  Evolution of the bilaterian mouth and anus

  Nielsen, C., Brunet, T. & Arendt, D., 2018, In: Nature Ecology & Evolution. 2, p. 1358-1376 19 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  29 Citations (Scopus)

• Origin and diversity of marine larvae

  Nielsen, C., 2018, Evolutionary Ecology of Marine Invertbrate Larvae. Tyler, J. C., Reitzel, A. M. & A. H. (eds.). Oxford University Press, 13 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  File
  7 Citations (Scopus)

• Origin of the trochophora larva

  Nielsen, C., 2018, In: Royal Society Open Science. 5, 7, 7 p., 180042.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  17 Citations (Scopus)

  121 Downloads (Pure)

• Why not 'EURYSTOMATA' ?

  Nielsen, C., 2018, In: IBA Bulletin. 14, 2, p. 12-13 2 p.

  Research output: Contribution to journal › Comment/debate › Research

  Open Access

  File
  189 Downloads (Pure)
• 2017

  Evolution of deuterostomy - and the origin of chordates

  Nielsen, C., 2017, In: Biological Reviews. 92, 1, p. 316-325 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  9 Citations (Scopus)

• Loxosomella decorata n. sp., a new solitary entoproct from San Juan Island, WA, USA

  Nielsen, C., 2017, In: Zootaxa. 4238, 4, p. 594-596 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  2 Citations (Scopus)
• 2016

  Phylum Bryozoa: The moss animals

  Nielsen, C., 2016, Invertebrates. Brusca, R. C., Moore, W. & Schuster, S. M. (eds.). 3 ed. Sunderland, MA: Sinauer Associates, p. 644-657 14 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review

  File

• Phylum Entoprocta: The entoprocts

  Nielsen, C., 2016, Invertebrates. Brusca, R. C., Moore, W. & Schuster, S. M. (eds.). 3 ed. Sunderland, MA: Sinauer Associates, p. 603-609 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review

  File
• 2015

  Deep metazoan phylogeny: the backbone of the tree of life (new insights from analyses of molecules, morphology, and theory of data analysis).—Edited by J. Wolfgang Wägele and Thomas Bartholomaeus

  Nielsen, C., 2015, In: Systematic Biology. 64, 5, p. 892 1 p.

  Research output: Contribution to journal › Literature review › Research

• Larval nervous systems: true larval and precocious adult

  Nielsen, C., 2015, In: Journal of Experimental Biology. 218, p. 629-636 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  26 Citations (Scopus)

• The phylogenetic position of ctenophores and the origin(s) of nervous systems

  Jékely, G., Paps, J. & Nielsen, C., 2015, In: EvoDevo. 6, 8 p., 1.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  102 Citations (Scopus)

  2575 Downloads (Pure)
• 2014

  Book review: The Helgoland manual of animal development

  Nielsen, C., 2014, In: Marine Biology Research. 10, 7, p. 744 1 p.

  Research output: Contribution to journal › Literature review › Research › peer-review

• The nudibranch names mentioned as n.sp. in Bergh (1861) are almost all nomina nuda (Gastropoda: Heterobranchia: Nudibranchia)

  Jensen, K. & Nielsen, C., 2014, In: Zootaxa. 3753, 2, p. 146-154 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  1 Citation (Scopus)
• 2013

  Bryozoa (Ectoprocta: 'Moss' Animals)

  Nielsen, C., 2013, eLS. Wiley

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

• Entoprocta

  Nielsen, C., 2013, eLS. Wiley

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

• Karen Emilie Bille Hansen, 6 maj 1919 - 27 december 2010

  Nielsen, C., 2013, In: Dansk Naturhistorisk Forenings Årsskrift. 21/22, p. 106 1 p.

  Research output: Contribution to journal › Journal article › Communication

• Life cycle evolution: was the eumetazoan ancestor a holoplanktonic, planktotrophic gastraea?

  Nielsen, C., 2013, In: BMC Evolutionary Biology. 13, 18 p., 171.

  Research output: Contribution to journal › Review › Research › peer-review

  Open Access

  File
  2458 Downloads (Pure)

• Phoronis Wright, 1856 (Phoronida) and P. muelleri Selys Longchamps, 1903: proposed conservation of both names

  Nielsen, C., 2013, In: Bulletin of Zoological Nomenclature. 70, 3, p. 157-159 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Protostomia

  Nielsen, C., 2013, Spezielle Zoologie. Teil 1: Einzeller und Wirbellose Tiere, 3. Auflage. Westheide, W. & Rieger, G. (eds.). Berlin: Springer Science+Business Media, p. 180 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review

• The triradiate sucking pharynx in animal phylogeny

  Nielsen, C., Mar 2013, In: Invertebrate Biology. 132, 1, p. 1-13 13 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  21 Citations (Scopus)
• 2012

  Animal evolution: interrelationships of the living phyla

  Nielsen, C., 2012, 3. ed. Oxford: Oxford University Press. 402 p.

  Research output: Book/Report › Book › Research › peer-review

• How to make a protostome

  Nielsen, C., Jan 2012, In: Invertebrate Systematics. 26, 1, p. 25-40 16 p.

  Research output: Contribution to journal › Review › Research › peer-review

  Open Access

  File
  54 Citations (Scopus)

  155 Downloads (Pure)

• The authorship of chordate taxa

  Nielsen, C., Jun 2012, In: Zoologica Scripta. 41, 4, p. 435-436 2 p.

  Research output: Contribution to journal › Comment/debate › Research › peer-review
  6 Citations (Scopus)

• The magnitude of global marine species diversity

  Appeltans, W., Ahyong, S. T., Anderson, G., Angel, M. V., Artois, T., Bailly, N., Bamber, R., Barber, A., Bartsch, I., Berta, A., Blazewicz-Paszkowycz, M., Bock, P., Boxshall, G., Boyko, C. B., Brandao, S. N., Bray, R. A., Bruce, N. L., Cairns, S. D., Chan, T-Y., Cheng, L. & 101 others, Collins, A. G., Cribb, T., Curini-Galletti, M., Dahdouh-Guebas, F., Davie, P. J. F., Dawson, M. N., De Clerck, O., Decock, W., De Grave, S., de Voogd, N. J., Domning, D. P., Emig, C. C., Erseus, C., Eschmeyer, W., Fauchald, K., Fautin, D. G., Feist, S. W., Fransen, C. H. J. M., Furuya, H., Garcia-Alvarez, O., Gerken, S., Gibson, D., Gittenberger, A., Gofas, S., Gomez-Daglio, L., Gordon, D. P., Guiry, M. D., Hernandez, F., Hoeksema, B. W., Hopcroft, R. R., Jaume, D., Kirk, P., Koedam, N., Koenemann, S., Kolb, J. B., Kristensen, R. M., Kroh, A., Lambert, G., Lazarus, D. B., Lemaitre, R., Longshaw, M., Lowry, J., Macpherson, E., Madin, L. P., Mah, C., Mapstone, G., McLaughlin, P. A., Mees, J., Meland, K., Messing, C. G., Mills, C. E., Molodtsova, T. N., Mooi, R., Neuhaus, B., Ng, P. K. L., Nielsen, C., Norenburg, J., Opresko, D. M., Osawa, M., Paulay, G., Perrin, W., Pilger, J. F., Poore, G. C. B., Pugh, P., Read, G. B., Reimer, J. D., Rius, M., Rocha, R. M., Saiz-Salinas, J. I., Scarabino, V., Schierwater, B., Schmidt-Rhaesa, A., Schnabel, K. E., Schotte, M., Schuchert, P., Schwabe, E., Segers, H., Self-Sullivan, C., Shenkar, N., Siegel, V., Sterrer, W., Stohr, S., Swalla, B., Tasker, M. L., Thuesen, E. V., Timm, T., Todaro, M. A., Turon, X., Tyler, S., Uetz, P., van der Land, J., Vanhoorne, B., van Ofwegen, L. P., van Soest, R. W. M., Vanaverbeke, J., Walker-Smith, G., Walter, T. C., Warren, A., Williams, G. C., Wilson, S. P. & Costello, M. J., 4 Dec 2012, In: Current Biology. 22, 23, p. 2189-2202 14 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  817 Citations (Scopus)
• 2010

  After all: Xenoturbella is an acoelomorph!

  Nielsen, C., 2010, In: Evolution & Development. 12, 3, p. 241-243 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  16 Citations (Scopus)

• A review of the taxa of solitary entoprocts (Loxosomatidae)

  Nielsen, C., 2010, In: Zootaxa. 2395, p. 45-56 12 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  12 Citations (Scopus)

• Morphological novelties detonated the Ediacaran-Cambrian "explosion"

  Nielsen, C. & Parker, A., 2010, In: Evolution & Development. 12, 4, p. 345-346 2 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  4 Citations (Scopus)

• Some aspects of spiralian development

  Nielsen, C., 2010, In: Acta Zoologica. 91, 1, p. 20-28 9 p.

  Research output: Contribution to journal › Conference article › Research › peer-review
  20 Citations (Scopus)

• Structure and occurrence of cyphonautes larvae (Bryozoa, Ectoprocta)

  Nielsen, C. & Worsaae, K., 2010, In: Journal of Morphology. 271, 9, p. 1094-1109 16 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  38 Citations (Scopus)

• The "new phylogeny". What is new about it?

  Nielsen, C., 2010, In: Palaeodiversity. 3, Supplement, p. 149-150 2 p.

  Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
• 2009

  Diversity of brood chambers in calloporid bryozoans (Gymnolaemata, Cheilostomata): comparative anatomy and evolutionary trends

  Ostrovsky, A. N., Nielsen, C., Vávra, N. & Yagunova, E. B., 2009, In: Zoomorphology. 128, p. 13-35

  Research output: Contribution to journal › Journal article › Research › peer-review

  30 Citations (Scopus)

• Entoprocta of the Gulf of Mexico

  Nielsen, C., 2009, Gulf of Mexico. Origin, Waters, and Biota. Felder, D. L. & Camp, D. K. (eds.). College Station: Texas A&M University Press, p. 1143-1145

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  1 Citation (Scopus)

• How did indirect development with planktotrophic larvae evolve?

  Nielsen, C., 2009, In: Biological Bulletin. 216, p. 203-215

  Research output: Contribution to journal › Journal article › Research › peer-review

  33 Citations (Scopus)

• Lamarck-Darwin

  Nielsen, C., 2009, In: Weekendavisen. Idéer, p. 13

  Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

• Ultrastructure of spermiogenesis in Cristatella mucedo Cuvier (Bryozoa: Phylactolaemata: Cristatellidae)

  Lützen, J., Jespersen, Å. & Nielsen, C., 2009, In: Zoomorphology. 128, p. 275-283

  Research output: Contribution to journal › Journal article › Research › peer-review

  7 Citations (Scopus)
• 2008

  A review of the solitary entoprocts reported from sponges from Napoli (Italy), with designation of a neotype of Loxosoma pes Schmidt, 1878

  Nielsen, C., 2008, In: Journal of Natural History. 42, p. 1573-1579 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  9 Citations (Scopus)

• Book review: W. Westheide and R. Rieger (eds): Spezielle Zoologie, Teil 1: Einzeller uind Wirbellose Tiere, 2nd. edition. Spektrum/Elsevier, München

  Nielsen, C., 2008, In: Acta Zoologica. 89, p. 179-180 2 p.

  Research output: Contribution to journal › Literature review › Research

• Brachiopoda: Fossils and Recent

  Harper, D. A. T. (ed.), Long, S. L. (ed.) & Nielsen, C. (ed.), 2008, Copenhagen: Wiley-Blackwell. 331 p. (Fossils and Strata, Vol. 54).

  Research output: Book/Report › Anthology › peer-review

• Dyrerigets tidlige evolution - stammer vi fra en svampelarve ?

  Nielsen, C., 2008, In: Naturens Verden. 91, 2, p. 2-9 8 p.

  Research output: Contribution to journal › Journal article › Communication

• Ontogeny of the spiralian brain

  Nielsen, C., 2008, Evolving Pathways: Key Themes in Evolutionary Developmental Biology. Minelli, A. & Fusco, G. (eds.). Cambridge: Cambridge University Press, p. 399-416

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  9 Citations (Scopus)