Metaperipatus blainvillei (Peripatopsidae) from Chile
About Onychophora

Publications G. Mayer

Peer-reviewed papers (PDFs available on request):

24) Oliveira, I.S., Lacorte, G.A., Fonseca, C.G., Wieloch, A.H. & Mayer, G.: Cryptic speciation in Brazilian Epiperipatus (Onychophora: Peripatidae) reveals an underestimated diversity among the peripatid velvet worms. In revision.

23) Chisholm, R.H., Hughes, B.D., Landman, K.A., Mayer, G. & Whitington, P.M.: When are cellular oscillators sufficient for sequential segmentation? Journal of Theoretical Biology. Accepted.

22) Whitington, P.M. & Mayer, G.: The origins of the arthropod nervous system: insights from the Onychophora. Arthropod Structure & Development. Invited paper for a Special Issue. In press.

21) Mayer, G., Kato, C., Quast, B., Chisholm, R.H., Landman, K.A. & Quinn, L.M. (2010): Growth patterns in Onychophora (velvet worms): lack of a localised posterior proliferation zone. BMC Evolutionary Biology 10: 339 (doi:10.1186/1471-2148-10-339). Freely available PDF.

20) Mayer, G., Whitington, P.M., Sunnucks, P. & Pflüger, H.-J. (2010): A revision of brain composition in Onychophora (velvet worms) suggests that the tritocerebrum evolved in arthropods. BMC Evolutionary Biology 10: 255 (doi:10.1186/1471-2148-10-255). Freely available PDF.

19) *Braband, A., *Cameron, S.L., Podsiadlowski, L., Daniels, S.R. & Mayer, G. (2010a): The mitochondrial genome of the onychophoran Opisthopatus cinctipes (Peripatopsidae) reflects the ancestral mitochondrial gene arrangement of Panarthropoda and Ecdysozoa. *Equal contribution. Molecular Phylogenetics & Evolution 57: 285-292 (doi:10.1016/j.ympev.2010.05.011).

18) Braband, A., Podsiadlowski, L., Cameron, S.L., Daniels, S.R. & Mayer, G. (2010b): Extensive duplication events account for multiple control regions and pseudogenes in the mitochondrial genome of the velvet worm Metaperipatus inae (Onychophora, Peripatopsidae). Molecular Phylogenetics & Evolution 57: 293-300 (doi:10.1016/j.ympev.2010.05.012).

17) Oliveira, I.S., Wieloch, A.H. & Mayer, G. (2010): Revised taxonomy and redescription of two species of the Peripatidae (Onychophora) from Brazil: a step towards consistent terminology of morphological characters. Zootaxa 2493: 16-34.

16) Allwood, J., Gleeson, D., Mayer, G., Daniels, S., Beggs, J., & Buckley, T.R. (2010): Support for vicariant origins of the New Zealand Onychophora fauna. Journal of Biogeography 37: 669-681 (doi:10.1111/j.1365-2699.2009.02233.x).

15) Mayer, G. & Whitington, P.M. (2009a): Velvet worm development links myriapods with chelicerates. Proceedings of the Royal Society B: Biological Sciences 276: 3571-3579. Evaluated on Faculty of 1000 Biology (doi:10.1098/rspb.2009.0950).

14) Mayer, G. & Whitington, P.M. (2009b): Neural development in Onychophora (velvet worms) suggests a step-wise evolution of segmentation in the nervous system of Panarthropoda. Developmental Biology 335: 263-275 (doi:10.1016/j.ydbio.2009.08.011).

13) Mayer, G. & Tait, N.N. (2009): Position and development of oocytes in velvet worms shed light on the evolution of the ovary in Onychophora and Arthropoda. Zoological Journal of the Linnean Society 157: 17-33 (doi:10.1111/j.1096-3642.2009.00523.x).

12) Podsiadlowski, L., Braband, A. & Mayer, G. (2008): The complete mitochondrial genome of the onychophoran Epiperipatus biolleyi reveals a unique transfer RNA set and provides further support for the Ecdysozoa hypothesis. Molecular Biology and Evolution 25: 42-51 (doi:10.1093/molbev/msm223). Freely available PDF.

11) Mayer, G. & Harzsch, S. (2008): Distribution of serotonin in the trunk of Metaperipatus blainvillei (Onychophora, Peripatopsidae): Implications for the evolution of the nervous system in Arthropoda. Journal of Comparative Neurology 507: 1196-1208 (doi:10.1002/cne.21603).

10) Mayer, G. & Harzsch, S. (2007): Immunolocalization of serotonin in Onychophora argues against segmental ganglia being an ancestral feature of arthropods. BMC Evolutionary Biology 7: 118 (doi:10.1186/1471-2148-7-118). Freely available PDF.

9) Maas, A., Mayer, G., Kristensen, R.M., & Waloszek, D. (2007): A Cambrian micro-lobopodian and the evolution of arthropod locomotion and reproduction. Chinese Science Bulletin 52: 3385-3392 (doi:10.1007/s11434-007-0515-3).

8) Mayer, G. (2007): Metaperipatus inae sp. nov. (Onychophora: Peripatopsidae) from Chile with a novel ovarian type and dermal insemination. Zootaxa 1440: 21-37.

7) Mayer, G. (2006a): Structure and development of the onychophoran eyes – what is the ancestral visual organ in arthropods? Arthropod Structure & Development 35: 231-245. Invited paper for a Special Issue (doi:10.1016/j.asd.2006.06.003).

6) Mayer, G. (2006b): Origin and differentiation of nephridia in the Onychophora provide no support for the Articulata. Zoomorphology 125: 1-12 (doi:10.1007/s00435-005-0006-5).

5) Mayer, G. & Koch, M. (2005): Ultrastructure and fate of the nephridial anlagen in the antennal segment of Epiperipatus biolleyi (Onychophora, Peripatidae) – Evidence for onychophoran antennae being modified legs. Arthropod Structure & Development 34: 471-480 (doi:10.1016/j.asd.2005.03.004).

4) Mayer, G., Bartolomaeus, T. & Ruhberg, H. (2005): Ultrastructure of mesoderm in embryos of Opisthopatus roseus (Onychophora, Peripatopsidae): Revision of the "Long Germ Band" hypothesis for Opisthopatus. Journal of Morphology 263: 60-70 (doi:10.1002/jmor.10289).

3) Mayer, G., Ruhberg, H. & Bartolomaeus, T. (2004): When an epithelium ceases to exist – An ultrastructural study on the fate of the embryonic coelom in Epiperipatus biolleyi (Onychophora, Peripatidae). Acta Zoologica 85: 163-170.

2) Mayer, G. & Bartolomaeus, T. (2003a): Ciliary basal structures and their distribution in Rhabdopleura compacta (Pterobranchia). Meiofauna Marina 12: 85-95.

1) Mayer, G. & Bartolomaeus, T. (2003b): Ultrastructure of the stomochord and the heart-glomerulus complex in Rhabdopleura compacta (Pterobranchia): phylogenetic implications. Zoomorphology 122: 125-133 (doi:10.1007/s00435-003-0078-z).

Abstracts from conference proceedings with ISBN registration:

Mayer, G. & Whitington, P.M. (2008): Insights into neural anatomy and development in Onychophora. Journal of Morphology 269: 1463.

Mayer, G., Harzsch, S. & Whitington, P.M. (2008): Structure and development of the onychophoran nervous system and the evolution of Panarthropoda. Peckiana 6: 90. Special Issue.

Mayer, G., Herrera, A.V. & Tait, N.N. (2008): Comparative study of the ovarian structure in Onychophora - Insights into the evolution of the ovary in Panarthropoda. Peckiana 6: 118. Special Issue.

Podsiadlowski, L., Mayer, G. & Braband, A. (2007): Mitochondrial genomes of Onychophora. Organisms, Diversity & Evolution 7, Electr. Suppl.

Mayer, G. (2005): Nephridial development in the Onychophora and its bearing on the Articulata hypothesis. Organisms, Diversity & Evolution 5, Electr. Suppl. 13: 40.

Mayer, G. (2004): Is there a "Mixocoel" in the Onychophora? Organisms, Diversity & Evolution 4, Electr. Suppl. 6: 41.

Mayer, G. & Bartolomaeus, T. (2002): Ciliary basal structures and their distribution in Rhabdopleura compacta (Pterobranchia). Zoology, Suppl. V: 63.

Abstracts from conference proceedings without ISBN registration:

Mayer, G. (2009): Development and segmentation of the onychophoran brain: implications for the evolution of the arthropod “head”. Oral presentation, 102nd Annual Meeting of the German Zoological Society (DZG), 25-28 September 2009, Regensburg (Germany).

Mayer, G. (2009): Neural anatomy and development in Onychophora (velvet worms): phylogenetic implications. Oral presentation, "Evolution of the arthropod nervous system", a symposium to promote the synthesis of Neurobiology and Evolutionary Biology held at the occasion of a sabbatical spent by Nicholas James Strausfeld at the Max Planck Institute for Chemical Ecology, 6-8 September 2009, Jena (Germany).

Whitington, P.M. & Mayer, G. (2009): Did the ancestral panarthropod have a segmented nervous system? 24th Australian Insect Molecular Biology conference, 4th to 6th September 2009, Toolangi, Victoria (Australia).

Mayer, G. (2009): Brain composition in Onychophora (velvet worms) and the evolution of the arthropod “head”. Oral presentation, 1st meeting of Biosyst EU, 10-14 August 2009, Leyden (Netherlands).

Mayer, G. (2009): New data on the onychophoran brain composition and their bearing on the phylogenetic position of tardigrades. Oral presentation, 11th International Symposium on Tardigrada, 3-6 August 2009, Tuebingen (Germany).

Whitington, P.M. & Mayer, G. (2009): The evolutionary standing of the Arthropoda – insights from the structure and development of the onychophoran nervous system. Oral presentation, “Evolution – the Experience”, conference celebrating the 200th anniversary of Darwin’s birth and the 150th anniversary of the publication of The Origin of Species, 8th to 13th February 2009, Melbourne (Australia).

Mayer, G. & Whitington, P.M. (2008): Neurogenesis in Onychophora supports the monophyly of Paradoxopoda. Oral presentation, 101st Annual Meeting of the German Zoological Society (DZG), 19-22 September 2008, Jena (Germany).

Mayer, G. & Whitington, P.M. (2008): Neural development in Onychophora - Insights into the evolution of segmentation in the arthropod nervous system. Oral presentation, Second Meeting of the European Society for Evolutionary Developmental Biology (EED), 29th July to 1st August 2008, Ghent (Belgium).

Mayer, G. & Harzsch, S. (2007): Immunolocalization of serotonin in Metaperipatus blainvillei (Onychophora, Peripatopsidae) reveals an ancestral orthogonal architecture in the velvet worm nervous system. Oral presentation, 100th Annual Meeting of the German Zoological Society (DZG), 21-24 September 2007, Cologne (Germany).

Talarico, G., Palacios-Vargas, J.G., García Hernández, L.F., Mayer, G. & Alberti, G. (2007): Vision without eyes? Structure of the ocelli in New World Ricinulei (Arachnida). Oral presentation, 17th International Congress of Arachnology (ISA), 5-10 August 2007, São Pedro, São Paulo, (Brazil).

Podsiadlowski, L., Braband, A. & Mayer, G. (2007): The mitochondrial genome of Epiperipatus biolleyi (Onychophora). Poster presentation, Linnean Society Discussion Meeting: "The Evolution of the Animals - a Linnean Tercentenary Celebration", 18-19 June 2007, London (United Kingdom).

Mayer, G. & Harzsch, S. (2006): Morphology of the ventral nerve cords in Onychophora and the evolution of serotonergic neurons in arthropods. Oral presentation, 99th Annual Meeting of the German Zoological Society (DZG), 16-20 September 2006, Münster (Germany).

Mayer, G. (2006): What is the ancestral visual organ in arthropods? Implications from structure, development, and innervation of the onychophoran eyes. Poster presentation, 99th Annual Meeting of the German Zoological Society (DZG), 16-20 September 2006, Münster (Germany).

Podsiadlowski, L., Mayer, G. & Braband, A. (2006): Analysing basal arthropod relationships with mitochondrial genome data. Oral presentation, 99th Annual Meeting of the German Zoological Society (DZG), 16-20 September 2006, Münster (Germany).

Mayer, G. (2005): Mesoderm differentiation in the Onychophora and its bearing on the Articulata hypothesis. Oral presentation, 13th International Congress of Myriapodology and Onychophorology, 24-29 July 2005, Bergen (Norway).

Mayer, G. & Koch, M. (2005): Evidence for the onychophoran antennae being modified legs. Poster presentation, 13th International Congress of Myriapodology and Onychophorology, 24-29 July 2005, Bergen (Norway).

Mayer, G., Ruhberg, H. & Bartolomaeus, T. (2004): The velvet worms (Onychophora) – a key group in reconstructing the descent of the Arthropoda. Poster presentation, Southern Connections Conference, January 2004, Cape Town (South Africa).

Ruhberg, H., Hamer, M. & Mayer, G. (2004): The onychophoran species Opisthopatus roseus Lawrence, 1947 is not extinct. Oral presentation, Southern Connections Conference, January 2004, Cape Town (South Africa).

Mayer, G. & Bartolomaeus, T. (2003): Ultrastructure of the stomochord and heart-glomerulus complex in Rhabdopleura compacta (Pterobranchia). Poster presentation, 96th Annual Meeting of the German Zoological Society (DZG), 9-13 June 2003, Berlin (Germany).
Copyright © 2006-2011 by Georg Mayer. All rights reserved.