Claus Nielsen

Claus Nielsen

Professor emeritus, Professor, emeritus

Member of:

    ORCID: 0000-0001-6898-7655

    Publication year:
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    1 - 100 out of 154Page size: 100
    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

    64. Published

      Six major steps in animal evolution - are we derived sponge larvae ?

      Nielsen, Claus, 2008, In: Evolution & Development. 10, 2, p. 241-257 17 p.

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

    65. Published

      Summary of the Thai-Danish biodiversity project on the Andaman Sea continental shelf and slope (1996-2000)

      Bussaravit, S., Tendal, O. S., Nielsen, Claus & Rasmussen, A. R., 2008, In: Phuket Marine Biological Center. Special Publications. 31, p. 75-81 7 p.

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

    66. Published

      Summary of the Thai-Danish biodiversity project on the Andaman Sea continental shelf and slope (1996-2000)

      Bussarawit, S., Tendal, O. S., Nielsen, Claus & Rasmussen, A. R., 2008, In: Phuket Marine Biological Center. Special Publications. p. 75-81 7 p.

      Research output: Contribution to journal › Conference article › Research

    67. Published

      Testing the new animal phylogeny: A phylum level molecular analysis of the animal kingdom

      Nielsen, Claus, 2008, In: Molecular Phylogenetics and Evolution. 49, p. 23-31 9 p.

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

    68. 2007
    69. Published

      Development of the enteropneust Ptychodera flava: ciliary bands and nervous system

      Nielsen, Claus & Hay-Schmidt, Anders, 2007, In: Journal of Morphology. 268, p. 551-570

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

    70. 2006
    71. Published

      Feeding mechanism of the polychaete Sabellaria alveolata revisited: comment on Dubois et al. (2005)

      Riisgård, H. U. & Nielsen, Claus, 2006, In: Marine Ecology - Progress Series. 328, p. 295-305

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

    72. Published

      Homology of echinoderm radial nerves and the chordate neural chord

      Nielsen, Claus, 2006, In: Evolution & Development. 8, p. 1-2

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

    73. 2005
    74. Published

      Galeommatid bivalves from Phuket, Thailand

      Lützen, J. & Nielsen, Claus, 2005, In: Zoological Journal of the Linnean Society. 144, 3, p. 261-308

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

    75. Published

      Genesis og Gould

      Nielsen, Claus, 2005, In: Weekendavisen. p. 6

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

    76. Published

      Larval and adult brains

      Nielsen, Claus, 2005, In: Evolution & Development. 7, p. 483-489

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

    77. Published

      The early Cambrian Halkieria is a mollusc

      Vinther, J. & Nielsen, Claus, 2005, In: Zoologica Scripta. 34, p. 81-89

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

    78. Published

      Trochophora larvae and adult body regions in annelids: some conclusions

      Nielsen, Claus, 2005, In: Hydrobiologia. 535/536, p. 23-24

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

    79. Published

      Trochophora larvae: Cell-lineages, ciliary bands and body regions. 2. Other groups and general discussion

      Nielsen, Claus, 2005, In: Journal of Experimental Zoology. Part B: Molecular and Developmental Evolution. 304B, p. 401-447

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

    80. 2004
    81. Published

      On three species and two new genera (Montacutella and Brachiomya of geleommatoid bivalves from the irregularsea urchin Brissus latecarinatus with emphasis on their reproduction

      Jespersen, Å., Lützen, J. & Nielsen, Claus, 2004, In: Zoologischer Anzeiger. 243, p. 3-19

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

    82. Published

      To sære 'orme'

      Nielsen, Claus, 2004, In: Dyr i Natur og Museum. 1, p. 27-29

      Research output: Contribution to journal › Journal article › Communication

    83. Published

      Trochopora larvae: Cell-lineages, Ciliary bands, and body regions. 1. Annelida and Mollusca

      Nielsen, Claus, 2004, In: Journal of Experimental Zoology. Part B: Molecular and Developmental Evolution. 302B, p. 35-68

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

    84. 2003
    85. Published

      Xenortubella is a deuterostome that eats molluscs

      Bourlat, S. J., Nielsen, Claus, Lockyer, A. E., Littlewood, D. T. & Telford, M. J., 2003, In: Nature. 424, p. 925-928

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

    86. Published

      Defining phyla: morphological and molecular clues to metazoan evolution

      Nielsen, Claus, 2003, In: Evolution and Development. 5, p. 386-393

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

    87. Published

      Lorentz Spengler's descriptions of freshwater mussels (Mollusca: Unionacea): translation and notes

      Knudsen, J., Jensen, K. R., Nielsen, Claus & Johnson, R. I., 2003, In: Steenstrupia. 27, p. 263-279

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

    88. Published

      Patterns of gene expression: homology or homocracy?

      Nielsen, Claus & Martinez, P., 2003, In: Development, Genes and Evolution. 213, p. 149-154

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

    89. Published

      Proposing a solution to the Articulata-Ecdysozoa controversy

      Nielsen, Claus, 2003, In: Zoologica Scripta. 32, p. 475-482

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

    90. 2002
    91. Published

      A comparative study of water processing in two filter-feeding polychaetes (Ditrupa arietina and Euchone papillosa) from two different habitats

      Riisgård, H. U., Gremare, A., Amouroux, J. M., Charles, F., Vetion, G., Rosenberg, R. & Nielsen, Claus, 2002, In: Marine Ecology - Progress Series. 229, p. 113-126

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

    92. Published

      Bryozoa (Ectoprocta: 'Moss' Animals)

      Nielsen, Claus, 2002, Encyclopedia of Life Sciences. O'Daly, A. (ed.). London: Macmillan Reference USA, Vol. 3. p. 475-479

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

    93. Published

      Ciliary filter-feeding structures in adult and larval gymnolaemate bryozoans

      Nielsen, Claus, 2002, In: Invertebrate Biology. 121, p. 255-261

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

    94. Published

      Entoprocta

      Nielsen, Claus, 2002, Encyclopedia of Life Sciences. O'Daly, A. (ed.). London: Macmillan Reference USA, Vol. 6. p. 345-346

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

    95. Published

      Filtrerende bryozoer, partikler og strømmende vand

      Riisgård, H. U., Larsen, P. S. & Nielsen, Claus, 2002, In: Naturens Verden. 5, p. 12-23

      Research output: Contribution to journal › Journal article › Communication

    96. Published

      Phylum Entoprocta

      Nielsen, Claus, 2002, Atlas of Marine Invertebrate Larvae. Young, C. M. (ed.). London: Academic Press, p. 397-409

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

    97. Published

      Protostomie-deuterostome origins

      Nielsen, Claus, 2002, Encyclopedia of Evolution vol. 2. New York: Oxford University Press, p. 961-963

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

    98. Published

      Putative sensory structures in marine bryozoans

      Shunatova, N. N. & Nielsen, Claus, 2002, In: Invertebrate Biology. 121, p. 262-270

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

    99. Published

      The phylogenetic position of Entoprocta, Ectoprocta, Phoronida and Brachiopoda

      Nielsen, Claus, 2002, In: Integrative and Comparative Biology. 42, p. 685-691

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

    100. Published

      What cell lineage tell us about the evolution of Spiralia remains to be seen

      Nielsen, Claus & Meier, R., 2002, In: Evolution. 56, 12, p. 2554-2557

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

    101. 2001
    102. Published

      Animal Evolution. Interrelationships of the Living Phyla. Second Edition

      Nielsen, Claus, 2001, 2 ed. England: Oxford University Press. 563 p.

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

    103. Published

      Zoologi

      Nielsen, Claus, 2001, Danmarks Nationalleksikon. Vol. 20. p. 471-473

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

    104. 2000
    105. Published

      Downstream collecting in ciliary suspension feeders: the catch-up principle

      Riisgård, H. U., Nielsen, Claus & Larsen, P. S., 2000, In: Marine Ecology - Progress Series. 207, p. 33-51

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

    106. Published

      Review of: Zoological Catalogue of Australia, vol. 34: Hemichordata, Tunicata, Cephalochordata

      Nielsen, Claus, 2000, In: Quarterly Review of Biology. 75, 4, p. 465

      Research output: Contribution to journal › Review › Research

    107. Published

      The origin of metamorphosis

      Nielsen, Claus, 2000, In: Evolution & Development. 2, p. 127-129

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

    108. Published

      The phylogenetic position of Entoprocta and Ectoprocta

      Nielsen, Claus, 2000, Proceedings of the 11th International Bryozoology Association Conference. Balboa, Panama: Smithsonian Tropical Research Institute, p. 66-73

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

    109. 1999
    110. Published

      Nyt om hvirveldyrenes oprindelse - vender vi ryggen fremad?

      Nielsen, Claus, 1999, In: Naturens Verden. 6, p. 33-40

      Research output: Contribution to journal › Journal article › Communication

    111. Published

      Origin of the chordate central nervous system - and the origin of chordates

      Nielsen, Claus, 1999, In: Development, Genes and Evolution. 209, p. 198-205

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

    112. 1998
    113. Published

      Morphological approaches to phylogeny

      Nielsen, Claus, 1998, In: Integrative and Comparative Biology. 38, p. 942-952

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

    114. Published

      Origin and evolution of animal life cycles

      Nielsen, Claus, 1998, In: Biological Reviews. 73, p. 125-155

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

    115. Published

      Systematics: Sequences lead to trees of worms

      Nielsen, Claus, 1998, In: Nature. 392, p. 25-26

      Research output: Contribution to journal › Letter › Research

    116. Published

      Tentacle structure and filter-feeding in Crisia eburnea and other cyclostomatous bryozoans, with a review of upstream-collecting mechanisms

      Nielsen, Claus & Riisgård, H. U., 1998, In: Marine Ecology - Progress Series. 168, p. 163-186

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

    117. 1997
    118. Published

      Animal classification - then and now

      Nielsen, Claus, 1997, In: Bulletin de la Societe Zoologique de France. 122, p. 243-253

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

    119. Published

      Bægerkorallen (Caryophyllia smithii) - ny koral for Danmark

      Tendal, O. S. & Nielsen, Claus, 1997, In: Flora og Fauna. 103, p. 7-9

      Research output: Contribution to journal › Journal article › Communication

    120. Published

      Entoprocta

      Nielsen, Claus & Jespersen, Å., 1997, Microscopic Anatomy of Invertebrates. Harrison, F. W. (ed.). New York: Wiley, Vol. 13. p. 13-43

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

    121. Published

      Tail Evolution

      Nielsen, Claus, 1997, In: Science. 277, p. 1422

      Research output: Contribution to journal › Letter › Research

    122. Published

      The phylogenetic position of the Arthropoda

      Nielsen, Claus, 1997, Arthropod Relationships (Systematics Association special Volume Series) no. 55. London: Chapman, p. 11-22

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

    123. 1996
    124. Published

      Cladistic analyses of the Animal Kingdom

      Nielsen, Claus, Scharff, Nikolaj & Eibye-Jacobsen, Danny, 1996, In: Biological Journal of the Linnean Society. 57, p. 385-410

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

    125. Published

      Dyr

      Nielsen, Claus, 1996, Danmarks Nationalleksikon. Lund, J. (ed.). København: Gyldendal, Vol. 5. p. 311-312

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

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