Claus Nielsen

Claus Nielsen

Professor emeritus, Professor, emeritus

Member of:

    ORCID: 0000-0001-6898-7655

    Publication year:
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    1 - 50 out of 154Page size: 50
    1. 2023
    2. Published

      Hydrodynamics in early animal evolution

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

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

    3. Published

      Phylum Bryozoa: The Moss Animals (revised)

      Nielsen, Claus, 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

    4. Published

      Phylum Entoprocta: The Entoprocts (revised)

      Nielsen, Claus, 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

    5. 2020
    6. Published

      Entoprocta

      Nielsen, Claus, 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

    7. Published

      Havsvampe eller ribbegopler: Hvad kom først?

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

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

    8. Published

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

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

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

    9. Published

      Who came first, sponges or comb jellies?

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

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

    10. 2019
    11. Published

      Early animal evolution: a morphologist's view

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

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

    12. Published

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

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

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

    13. Published

      Was the ancestral panarthropod mouth ventral or terminal?

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

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

    14. 2018
    15. Published

      Evolution of the bilaterian mouth and anus

      Nielsen, Claus, 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

    16. Published

      Origin and diversity of marine larvae

      Nielsen, Claus, 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

    17. Published

      Origin of the trochophora larva

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

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

    18. Published

      Why not 'EURYSTOMATA' ?

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

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

    19. 2017
    20. Published

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

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

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

    21. Published

      Evolution of deuterostomy - and the origin of chordates

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

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

    22. 2016
    23. Published

      Phylum Bryozoa: The moss animals

      Nielsen, Claus, 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

    24. Published

      Phylum Entoprocta: The entoprocts

      Nielsen, Claus, 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

    25. 2015
    26. Published

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

      Research output: Contribution to journal › Literature review › Research

    27. Published

      Larval nervous systems: true larval and precocious adult

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

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

    28. Published

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

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

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

    29. 2014
    30. Published

      Book review: The Helgoland manual of animal development

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

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

    31. Published

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

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

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

    32. 2013
    33. Published

      The triradiate sucking pharynx in animal phylogeny

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

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

    34. Published

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

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

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

    35. Published

      Bryozoa (Ectoprocta: 'Moss' Animals)

      Nielsen, Claus, 2013, eLS. Wiley

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

    36. Published

      Entoprocta

      Nielsen, Claus, 2013, eLS. Wiley

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

    37. Published

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

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

      Research output: Contribution to journal › Journal article › Communication

    38. Published

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

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

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

    39. Published

      Protostomia

      Nielsen, Claus, 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

    40. 2012
    41. Published

      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, Reinhardt Møbjerg, 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, Claus, 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

    42. Published

      The authorship of chordate taxa

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

      Research output: Contribution to journal › Comment/debate › Research › peer-review

    43. Published

      How to make a protostome

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

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

    44. Published

      Animal evolution: interrelationships of the living phyla

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

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

    45. 2010
    46. Published

      A review of the taxa of solitary entoprocts (Loxosomatidae)

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

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

    47. Published

      After all: Xenoturbella is an acoelomorph!

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

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

    48. Published

      Morphological novelties detonated the Ediacaran-Cambrian "explosion"

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

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

    49. Published

      Some aspects of spiralian development

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

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

    50. Published

      Structure and occurrence of cyphonautes larvae (Bryozoa, Ectoprocta)

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

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

    51. Published

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

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

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

    52. 2009
    53. Published

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

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

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

    54. Published

      Entoprocta of the Gulf of Mexico

      Nielsen, Claus, 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

    55. Published

      How did indirect development with planktotrophic larvae evolve?

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

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

    56. Published

      Lamarck-Darwin

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

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

    57. Published

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

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

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

    58. 2008
    59. Published

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

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

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

    60. Published

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

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

      Research output: Contribution to journal › Literature review › Research

    61. Published

      Brachiopoda: Fossils and Recent

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

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

    62. Published

      Dyrerigets tidlige evolution - stammer vi fra en svampelarve ?

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

      Research output: Contribution to journal › Journal article › Communication

    63. Published

      Ontogeny of the spiralian brain

      Nielsen, Claus, 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

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