B

Baccetti, B. & Dallai, R. 1977. The spermatozoon of onychophorans. 2. Peripatoides leuckarti. Tissue and Cell 9: 563-566.

Baccetti, B., Dallai, R., Burrini, A.G. & Selmi, G. 1976. Fine structure of the spermatozoon of an onychophoran, Peripatopsis. Tissue and Cell 8: 659-672.

Badonnel, A. 1963. Sur quelques particularités anatomiques des organs infracérébraux de péripates caraibes (Onychophores). Bulletin du Museum National d'Historie Naturelle 35: 275-290.

Bäcker, H., Fanenbruck, M. & Wägele, J.W. 2008. A forgotten homology supporting the monophyly of Tracheata: The subcoxa of insects and myriapods re-visited. Zoologischer Anzeiger 247: 185-207.

Baehr, M. 1977. Über einige Onychophoren aus Australien und Tasmanien mit Beschreibung einer neuen Art und Anmerkung zur Stellung von Ooperipatus paradoxus Bouvier, 1915. Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere 104: 9-19.

Balfour, F.M. 1879. On certain points in the anatomy of Peripatus capensis. Quarterly Journal of Microscopical Science 19: 431-433.

Balfour, F.M. 1879. On certain points in the anatomy of Peripatus capensis. Zoologischer Anzeiger 2: 332-335.

Balfour, F.-M. 1879. Sur certains points de l'anatomie du Peripatus capensis (Extrait). Archives de Zoologie Experimentale et Generale [Notes et Revue] 8: XIII-XV.

Balfour, F.M. 1880. On certain points in the anatomy of Peripatus capensis. Proceedings of the Cambridge Philosophical Society 3: 266-269.

Balfour, F.M. 1883. The anatomy and development of Peripatus capensis. Quarterly Journal of Microscopical Science 23: 213-259.

Balfour, F.M. 1883. Summary of: "The anatomy and development of Peripatus capensis". Journal of the Royal Microscopical Society [Series 2] 3: 366-367.

Ballard, J.W.O., Olsen, G.J., Faith, D.P., Odgers, W.A., Rowell, D.M. & Atkinson, P.W. 1992. Evidence from 12S ribosomal RNA sequences that onychophorans are modified arthropods. Science 258: 1345-1348.

Barclay, M.H. 1965. A key to the various classes of terrestrial Arthropoda. Tane [Journal of the Aukland University Field Club] 11: 9-20.

Barclay, S.D., Ash, J.E. & Rowell, D.M. 2000. Environmental factors influencing the presence and abundance of a log-dwelling invertebrate, Euperipatoides rowelli (Onychophora: Peripatopsidae). Journal of Zoology 250: 425-236.

Barclay, S.D., Rowell, D.M. & Ash, J.E. 2000. Pheromonally mediated colonization patterns in the velvet worm Euperipatoides rowelli (Onychophora). Journal of Zoology 250: 437-446.

Barnes, M.J.C. 1988. Peripatus: The non-missing link. Jamaica Journal 21: 11-14.

Barnes, R.D. & Harrison, F.W. 1993. Introduction to the Onychophora, Chilopoda and lesser Prostomata. In: Microscopic Anatomy of Invertebrates. F.W. Harrison and M.E. Rice, eds. Wiley-Liss, New York. 1-9.

Barrett, C. 1938. A note on Peripatus. The Victorian Naturalist 55: 11-12.

Bartolomaeus, T. & Ruhberg, H. 1999. Ultrastructure of the body cavity lining in embryos of Epiperipatus biolleyi (Onychophora, Peripatidae) - a comparison with annelid larvae. Invertebrate Biology 118: 165-174.

Bedford, J.J. 1977. The carbohydrate levels of insect haemolymph. Comparative Biochemistry and Physiology, Part A 57: 83-86.

Beebe, W. & Crane, J. 1947. Ecology of Rancho Grande, a subtropical cloud forest in Northern Venezuela. Zoologica 32: 43-59.

Beklemishev, W.N. 1969. Contractile-motor apparatus of annelids and Onychophora. In: Principles of Comparative Anatomy of Invertebrates, Volume 2: Organology, 3 ed. J. M. translated by MacLennan, ed. University of Chicago Press, Chicago, Illinois, USA. 292-302.

Bell, F.J. 1883. Note on a Peripatus from the Island of Dominica, West Indies. Annals and Magazine of Natural History [Series 5] 11: 388.

Bell, F.J. 1887. Habitat of Peripatus leuckarti. Annals and Magazine of Natural History [Series 5] 20: 252.

Bell, F.J. 1888. A forgotten species of Peripatus (Peripatus quitensis, Schmarda). Zoologist [Series 3] 12: 109.

Bell, F.J. 1910. Onychophora. In: Guide to the Crustacea, Aractinida, Onychophora and Myriopoda [sic] Exhibited in the Department of Zoology, British Museum (Natural History) British Museum (Natural History), London. 118-119.

Bellomy, M.D. 1955. Peripatus - between worm and insect. Frontiers (Philadelphia, Pennsylvania, USA) 20: 42-44.

Bengtson, S. 1991. Oddballs from the Cambrian start to get even. Nature 351: 184-185.

Benkendorff, K., Beardmore, K., Gooley, A.A., Packer, N.H. & Tait, N.N. 1999. Characterisation of the slime gland secretion from the peripatus, Euperipatoides kanangrensis (Onychophora: Peripatopsidae). Comparative Biochemistry and Physiology, Part B 124: 457-465.

Bergh, R.S. 1885. Die Entwickelung der westindischen Peripatus-Arten. Kosmos, Zeitschrift für die Gesamte Entwickelungslehre [1885]: 44-48.

Bergh, R.S. 1886. Die weitere Entwickelung der westindischen Peripatusarten. Kosmos, Zeitschrift für die Gesamte Entwickelungslehre 18: 454-462.

Bergström, J. & Hou, X.-G. 2001. Cambrian Onychophora or Xenusians. Zoologischer Anzeiger 240: 237-245.

Bern, H.A. & Hagadorn, I.R. 1965. Neurosecretion. In: Structure and Function in the Nervous Systems of Invertebrates, Volume I. T. H. Bullock and G. A. Horridge, eds. W.H. Freeman Company, San Francisco, California. 353-429.

Bernard, H.M. 1892. Section XVI. Peripatus and the Tracheata. In: The Apodidae: A Morphological Study Macmillan and Company, London. 279-289.

Barnard, K.H. 1922. Distribution of Peripatus. Annual Meeting of the Royal Society of South Africa 1922: 8-9.

Bhamrah, H.S. & Juneja, K. 1994. Peripatus. In: An Introduction to Arthropoda Anmol Publications, New Dehli, India. 343-355.

Bicudo, J.E.P.W., Campiglia, S.S. & Sawaya, P. 1985. Surface area of the cuticle and tracheal system as a function of body weight in Peripatus acacioi Marcus & Marcus (Onychophora). Anais da Academia Brasileira de Ciências 57: 126.

Birket-Smith, S.J.R. 1974. The anatomy of the body wall of Onychophora. Zoologische Jahrbücher, Abteilung für Anatomie und Ontogenie der Tiere 93: 123-154.

Birshtein, Y.A. 1948. New views on the phylogeny of arthropods. Uspekhi Sovremennoi Biologii 25: 143-149.

Bittner, K., Ruhberg, H. & Storch, V. 1998. Ultrastructuraal analysis of the sensilla of Austroperipatus aequabilis Reid, 1996 (Onychophora, Peripatopsidae). Acta Zoologica 79: 267-275.

Blanchard, E. 1847. Recherches sur l'organisation des Vers. Annales des Sciences Naturelles [3e Série] 8: 119-149.

Blanchard, E. 1849. Malacopodes. In: Historia Fisica y Politica de Chile, Volume 23: Zoologia, Tomo Tercero. C. Gay, ed. privately published, Paris. 57-60.

Blaxter, M. 2001. Sum of the arthropod parts. Nature 413: 121-122.

Boas, I.E.V. 1898. Om Peripatus stilling i dyreriget. Kongelige Danske Videnskabernes Selskabs Forhandlinger 6: 345-365.

Bohannon, J. 2006. Velvet worm creeps back up evolutionary tree. ScienceNOW Daily News 27. July 2006.

Bonham, K.J., Mesibov, R. & Bashford, R. 2002. Diversity and abundance of ground-dwelling invertebrates in plantation vs. native forests in Tasmania, Australia. Forest Ecology and Management 158: 237-247.

Boore, J.L., Collins, T.M., Stanton, D., Daehler, L.L. & Brown, W.M. 1995. Deducing the pattern of arthropod phylogeny from mitochondrial DNA rearrangements. Nature 376: 163-165.

Boore, J.L., Lavrov, D.V. & Brown, W.M. 1998. Gene translocation links insects and crustaceans. Nature 392: 667-668.

Borradaile, L.A. 1899. The outcome of a South Sea voyage. Annals and Magazine of Natural History [Series 7] 3: 264-267.

Boudreaux, H.B. 1979. Arthropod Phylogeny with Special Reference to Insects. John Wiley & Sons, New York.

Bouvier, E.-L. 1898. Sur l'organisation du Peripatus tholloni, Bouv. Bulletin de la Société Entomologique de France [1898]: 197-198.

Bouvier, E.-L. 1898. New observations on Peripatus. Annals and Magazine of Natural History [Series 7] 2: 354-355.

Bouvier, E.-L. 1898. On the geographical distribution and the evolution of Peripatus (preliminary note). Annals and Magazine of Natural History [Series 7] 2: 351-353.

Bouvier, E.-L. 1899. Sur les caractères externes des Péripates. Proceedings of the International Congress of Zoology 4: 269-271.

Bouvier, E.-L. 1899. Contributions á l´histoire des Péripates américans. Annales de la Societe Entomologique de France 68: 385-450.

Bouvier, E.-L. 1899. Captures et observations biologiques. Annales de la Societe Entomologique de France 68: 337-338.

Bouvier, E.-L. 1899. Nouvelles observations sur les Péripates américains. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 129: 1029-1031.

Bouvier, E.-L. 1899. Sur les variations et les groupements spécifiques des Péripates américains. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 128: 1344-1346.

Bouvier, E.-L. 1899. Observations biologiques sur le Peripatus capensis Grube. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 129: 971-973.

Bouvier, E.-L. 1899. Summary of: "Observations biologiques sur le Peripatus capensis Grube". Journal of the Royal Microscopical Society [1900] 2: 199.

Bouvier, E.-L. 1900. Nouvelles observations sur les Peripatus de la Collection du Musée Britannique. Quarterly Journal of Microscopical Science 43: 749-757.

Bouvier, E.-L. 1900. Summary of: "Nouvelles observations sur les Peripatus de la Collection du Musée Britannique". Journal of the Royal Microscopical Society [1900]: 668.

Bouvier, E.-L. 1900. A propos d'un travail de H. Sänger sur les Péripates. Bulletin de la Société Philomathique de Paris [Serie 9] 3: 5-8.

Bouvier, E.-L. 1900. Quelques observations sur les Onychophores (Peripatus) de la Collection du Musée Britannique. Quarterly Journal of Microscopical Science 43: 367-373.

Bouvier, E.-L. 1900. Summary of: "Quelques observations sur les Onychophores (Peripatus) de la Collection du Musée Britannique". Journal of the Royal Microscopical Society [1900]: 459.

Bouvier, E.-L. 1900. Sur l'origine et les enchaînements des Arthropodes de la classe des Onychophores (Peripatus et formes voisinès). Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 130: 735-738.

Bouvier, E.-L. 1900. Summary of: "Sur l'origine et les enchaînements des Arthropodes de la classe des Onychophores (Peripatus et formes voisinès)". Journal of the Royal Microscopical Society [1900] 4: 459.

Bouvier, E.-L. 1900. Observations nouvelles sur le Peripatus [Onych.]. Bulletin de la Société Entomologique de France [1900]: 394-395.

Bouvier, E.-L. 1900. Nouveau Péripate des environs de Rio-de-Janeiro. Bulletin de la Société Entomologique de France [1900]: 66-68.

Bouvier, E.-L. 1900. Observations sur le Peripatus moseleyi [Onych.]. Bulletin de la Société Entomologique de France [1900]: 119-121.

Bouvier, E.-L. 1900. Observations sur le développement des Onychophores. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 131: 652-654.

Bouvier, E.-L. 1901. A propos des Onychophores du Cap, désignés sous les noms de Peripatus capensis Grube et de P. brevis Blainville. Bulletin de la Société Entomologique de France [1901]: 74-76.

Bouvier, E.-L. 1901. Nouveaux Péripates de la Bolivie. Bulletin du Museum National d'Historie Naturelle 7: 168-169.

Bouvier, E.-L. 1901. Caractères et affinités d'un Onychophore du Chili, le Peripatopsis blainvillei Blanchard. Zoologischer Anzeiger 24: 59-61.

Bouvier, E.-L. 1901. Sur la reproduction et le développement du Peripatopsis blainvillei. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 133: 518-521.

Bouvier, E.-L. 1902. Observations nouvelles sur l'évolution et l'origine des Péripates. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 134: 55-58.

Bouvier, E.-L. 1902. Summary of: "Observations nouvelles sur l'évolution et l'origine des Péripates". Journal of the Royal Microscopical Society [1902] 3: 306-307.

Bouvier, E.-L. 1902. Sur l'organisation du Peripatoides orientalis Fletcher (P. leuckarti de la plupart des auteurs). Comptes Rendus des Seances de la Société de Biologie et de ses Filiales 54: 1033-1034.

Bouvier, E.-L. 1902. Le Peripatus ecuadorensis. Bulletin de la Société Philomathique de Paris [Serie 9] 4: 53-62.

Bouvier, E.-L. 1902. Sur l'organisation, le développement et les affinités du Peripatopsis blainvillei Gay-Gervais. Zoologische Jahrbücher, Abteilung für Anatomie und Ontogenie der Tiere Supplement 5, part 3: 675-730.

Bouvier, E.-L. 1902. Sur le développement des Péripatidés de l'Afrique australe. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 135: 1033-1036.

Bouvier, E.-L. 1902. Un Péripate de Costa Rica. Bulletin de la Société Entomologique de France [1902]: 239-240.

Bouvier, E.-L. 1902. Moeurs des Péripates. Bulletin de la Société Entomologique de France [1902]: 110.

Bouvier, E.-L. 1902. Peripatus biolleyi, Onychophore nouveau de Costa Rica. Bulletin de la Société Entomologique de France 16: 258-259.

Bouvier, E.-L. 1902. Sur les organes sexuels des Peripatus. Bulletin de la Société Entomologique de France [1902]: 160-161.

Bouvier, E.-L. 1903. Sur le Peripatus tholloni. Extrait d'une lettre adressée de Ngômô (Ogôoué) par M. le Pasteur Haug à M. le Professeur Bouvier. Bulletin du Museum National d'Historie Naturelle 9: 221-222.

Bouvier, E.-L. 1904. Sur les Péripates des Guyanes. Bulletin du Museum National d'Historie Naturelle 10: 52-55.

Bouvier, E.-L. 1904. Sur les organes génitaux mâles du Peripatus tholloni Bouv. [Onych.]. Bulletin de la Société Entomologique de France [1904]: 192-193.

Bouvier, E.-L. 1904. Les oeufs des Onychophores. Nouvelles Archives du Muséum 6: 1-50.

Bouvier, E.-L. 1904. Peripatus belli (espéce nouvelle de l'Equateur). Bulletin du Museum National d'Historie Naturelle 10: 56-57.

Bouvier, E.-L. 1905. Monographie des Onychophores. Annales des Sciences Naturelles, Zoologie et Biologie Animale [9e Série] 2: 1-383.

Bouvier, E.-L. 1906. Observation biologique. Le Peripatus edwardsi au Brésil. Bulletin de la Société Entomologique de France [1906]: 268.

Bouvier, E.-L. 1907. Monographie des Onychophores. Annales des Sciences Naturelles, Zoologie et Biologie Animale [9e Série] 5: 61-318.

Bouvier, E.-L. 1907. Catalogue des Onychophores des Collections du Muséum d'Historie Naturelle de Paris. Bulletin du Museum National d'Historie Naturelle 13: 518-521.

Bouvier, E.-L. 1908. Sur le Peripatus brasiliensis Bouv. Bulletin de la Société Philomathique de Paris [Serie 9] 10: 50-52.

Bouvier, E.-L. 1909. Onychophora. In: Die Fauna Südwest-Australiens, Band 2, Lieferung 18. W. Michaelsen and R. Hartmayer, eds. Gustav Fischer, Jena, Germany. 315-328.

Bouvier, E.-L. 1909. Sur un nouvel Onychophore australien. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 148: 1292-1294.

Bouvier, E.-L. 1914. Un nouveau Paraperipatus de Céram. Bulletin du Museum National d'Historie Naturelle 20: 222-226.

Bouvier, E.-L. 1914. Nouvelles observations sur la viviparité chez les Onychophores australiens. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 158: 1547-1550.

Bouvier, E.-L. 1916. Results of Dr. E. Mjöberg's Swedish Scientific Expeditions to Australia 1910-1913. Part 3. Onychophora. Arkiv för Zoologi 10: 1-23.

Bouvier, E.-L. 1917. Description de Paraperipatus stresemanni de Ceram. Zoologische Mededelingen 3: 263-273.

Bouvier, E.-L. 1928. A propos des observations du Fr. Claude-Joseph sur un Péripate du Chili. Annales des Sciences Naturelles, Zoologie et Biologie Animale [10e Série] 11: 260.

Branner, J.C. 1886. Peripatus. Nature 34: 496-497.

Breugelmans, B., Simonet, G., van Hoef, V., Van Soest, S. & Vanden Broeck, J. 2009. Identification, distribution and molecular evolution of the pacifastin gene family in Metazoa. BMC Evolutionary Biology 9: 97.

Brinck, P. 1957. Onychophora, a review of South African species, with a discussion on the significance of the geographical distribution of the group. In: South African Animal Life. B. Hanström, P. Brinck, and G. Rudebeck, eds. Almqvist & Wiksell, Stockholm, Sweden. 7-32.

Briscoe, D.A. & Tait, N.N. 1993. Peripatus or velvet worms. In: Tasmanian Wilderness. World Heritage Values. S. Smith and L. Gilfedder, eds. Royal Society of Tasmania, Hobart. 136-138.

Briscoe, D.A. & Tait, N.N. 1995. Allozyme evidence for extensive and ancient radiations in Australian Onychophora. Zoological Journal of the Linnean Society 114: 91-102.

Brito, S.V., Pereira, J.C., Ferreira, F.S., Vasconcellos, A., Almeida, W.O. 2010. Epiperipatus cratensis sp. nov. (Onychophora: Peripatidae) from northeastern Brazil. Neotropical Biology and Conservation 5: 47-52.

Brockmann, C. 1994. Zur Eidonomie, Anatomie und Entwicklungsbiologie von Ooperipatellus decoratus (Baehr, 1977) (Peripatopsidae, Onychophora). Diploma thesis, University of Hamburg, Germany.

Brockmann, C. 2007. Die oviparen Peripatopsidae Tasmaniens (Onychophora): Revision von Ooperipatellus und Bemerkungen zur Phylogeny. PhD thesis, University of Hamburg, Germany.

Brockmann, C., Mesibov, R. & Ruhberg, H. 1997. Observations on Ooperipatellus decoratus, an oviparous onychophoran from Tasmania (Onychophora: Peripatopsidae). Entomologica Scandinavica, Supplement 51: 319-329.

Brockmann, C., Mummert, R., Ruhberg, H. & Storch, V. 1999. Ultrastructural investigations of the female genital system of Epiperipatus biolleyi (Bouvier, 1902) (Onychophora, Peripatidae). Acta Zoologica 80: 339-349.

Brockmann, C., Mummert, R., Ruhberg, H. & Storch, V. 2000. Ultrastructure of the female genital tract of Epiperipatus biolleyi (Onychophora, Peripatidae). Zoology 103 (Suppl).

Brockmann, C., Mummert, R., Ruhberg, H. & Storch, V. 2001. The female genital system of Ooperipatus decoratus (Onychophora, Peripatopsidae): an ultrastructural study. Journal of Morphology 249: 77-88.

Brongersma, L.D. 1932. Suppression of the name Paraperipatus leopoldi Leloup (Onychophora). Entomologische Berichte 8: 410-411.

Brosius, H. 1998. Zur Problematik der Ovoviviparie unter besonderer Berücksichtigung der Onychophoren Peripatoides novaezealandiae und Austroperipatus eridelos. Diploma thesis, University of Hamburg, Germany.

Brosius-Roggenbuck, H. & Ruhberg, H. 2000. Studies on the development of ovoviviparous onychophorans, Austroperipatus eridelos Reid, 1996 and Peripatoides novaezealandiae (Hutton, 1876) (Onychophora, Peripatopsidae). Fragmenta Faunistica 43: 179-190.

Brues, C.T. 1911. A new species of Peripatus from Grenada, with observations on other species of the genus. Bulletin of the Museum of Comparative Zoology 54: 303-318.

Brues, C.T. 1913. Preliminary descriptions of two new forms of Peripatus from Haiti. Bulletin of the Museum of Comparative Zoology 54: 517-521.

Brues, C.T. 1914. A new Peripatus from Columbia. Bulletin of the Museum of Comparative Zoology 58: 375-382.

Brues, C.T. 1917. A new species of Peripatus from the mountains of northern Peru. Bulletin of the Museum of Comparative Zoology 61: 383-387.

Brues, C.T. 1921. On Paraperipatus lorentzi Horst and other species of the genus from the New Guinea and Ceram. Psyche 28: 50-53.

Brues, C.T. 1923. The geographical distribution of the Onychophora. American Naturalist 57: 210-217.

Brues, C.T. 1925. Notes on neotropical Onychophora. Psyche 32: 159-165.

Brues, C.T. 1935. Notes on Australian Onychophora. Proceedings of the New England Zoological Club 15: 11-18.

Brues, C.T. 1935. Varietal forms of Peripatus in Haiti. Psyche 42: 58-62.

Brues, C.T. 1939. Additional records of Onychophora from the island of Haiti. Psyche 46: 36-37.

Brues, C.T. 1941. Peripatus (Macroperipatus) geayi in Panama. Psyche 48: 111-112.

Brues, C.T. 1948. The distribution of Onychophora in New Guinea and neighbouring islands. Psyche 55: 181-183.

Brues, C.T. & Melander, A.L. 1932. Classification of insects. A key to the known families of Insects and other terrestrial arthropods. Bulletin of the Museum of Comparative Zoology 73: 1-672.

Bruntz, L. 1903. Excrétion et phagocytose chez les Onychophores. Bulletin des Séances de la Société des Sciences de Nancy [Serie 3] 4: 125-127.

Bruntz, L. 1903. Excrétion et phagocytose chez les Onychophores. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 136: 1148-1150.

Bruntz, L. 1903. Contribution à l'étude de l'excrétion chez les Arthropodes. Archives de Biologie 20: 217-422.

Bryant, S. & Jackson, J. 1999. Velvet worms (also known as Onychophora or Peripatus) (3 species). In: Tasmania's Threatened Fauna Handbook: What, Where and How to Protect Tasmania's Threatened Animals Threatened Species Unit, Parks and Wildlife Service, Hobart. 298-302.

Buchsbaum, R. 1976. A missing link - Peripatus. In: Animals Without Backbones, 2nd Edition ed Chicago University Press, Chicago. 235-238.

Buchsbaum, R., Buchsbaum, M., Pearse, J. & Pearse, V. 1987. Annelid-arthropod allies. In: Animals Without Backbones, 3 ed Chicago University Press, Chicago. 457-465.

Budd, G. 1993. A Cambrian gilled lobopod from Greenland. Nature 364: 709-711.

Budd, G.E. 1996. The morphology of Opabinia regalis and the reconstruction of the arthropod stem-group. Lethaia 29: 1-14.

Budd, G.E. 1998. Arthropod body-plan evolution in the Cambrian with an example from anomalocaridid muscle. Lethaia 31: 197-210.

Budd, G.E. 2001. Tardigrades as 'stem-group arthropods': The evidence from the Cambrian fauna. Zoologischer Anzeiger 240: 265-279.

Budd, G.E. 2001. Why are arthropods segmented? Evolution & Development 3: 332-342.

Budd, G.E. 2002. A palaeontological solution to the arthropod head problem. Nature 417: 271-275.

Bull, J. 2010. Why are there so many types of velvet worm? Importance of life-history differences, assortative mating and costs to hybridization in maintaining the distinctiveness of two catchment-specific forms of Euperipatoides rowelli at Tallaganda State Forest. Honours thesis, Monash University, Melbourne, Australia.

Bursell, E. 1947. The humidity reactions of Peripatopsis moseleyi Wood-Mason. Thesis, Natal University College, Pietermaritzburg, South Africa.

Bursell, E. & Ewer, D.W. 1950. On the reactions to humidity of Peripatopsis moseleyi (Wood-Mason). Journal of Experimental Biology 26: 335-353.

Butt, F.H. 1959. The structure and some aspects of development of the onychophoran head. Smithsonian Miscellaneous Collections 137: 43-60.

Butt, F.H. 1960. Head development in the arthropods. Biological Reviews 35: 43-91.

Buxton, B.H. 1913. Coxal glands of the arachnids. Zoologische Jahrbücher, Abteilung für Anatomie und Ontogenie der Tiere Suppl. 14: 231-282.