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2018 | 63 | 1 |
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Reply to Comment on “ Aysheaia prolata from the Utah Wheeler Formation (Drumian, Cambrian) is a frontal appendage of the radiodontan Stanleycaris ” with the formal description of Stanleycaris

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Języki publikacji
EN
Abstrakty
EN
As part of a comprehensive examination of all radiodontans from Cambrian localities in the USA, Pates et al. (2017a, b) and Pates and Daley (2017) revised the taxonomic affinities of several described specimens. This included the reinterpretation of two putative lobopodians, one from the Wheeler Formation (Utah, USA) and one from the Valdemiedes Formation (Spain), as frontal appendages of the radiodontan genera Stanleycaris and Caryosyntrips respectively. In their comment, Gámez Vintaned and Zhuravlev (2018) disagree with these conclusions and raise three topics for discussion: (i) anatomical features they suggest support a lobopodian affinity for “Mureropodia”; (ii) the identity of Caryosyntrips as a radiodontan, and the assignment of certain specimens to this genus; and (iii) the nomenclatural status of Stanleycaris hirpex as an invalid taxon. For (i), we dispute that the anatomical features put forward by Gámez Vintaned and Zhuravlev (2018) are biological and conclude that a lobopodian affinity for Mureropodia is untenable. In response to (ii), we provide further evidence supporting a radiodontan affinity for Caryosyntrips, and those specimens ascribed to this genus. Finally, we concur with (iii) Stanleycaris as an invalid taxon according to the International Code on Zoological Nomenclature (ICZN), and have rectified the situation by providing a valid systematic description.
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-
Rocznik
Tom
63
Numer
1
Opis fizyczny
p.105-110,fig.,ref.
Twórcy
autor
  • Department of Zoology, University of Oxford, Oxford, OX1 3PS, UK
autor
  • Institute of Earth Sciences, University of Lausanne, Geopolis, CH-1015, Lausanne, Switzerland
  • Department of Zoology, Downing Street, University of Cambridge, Cambridge, CB2 3EJ, UK
Bibliografia
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  • Budd, G.E. 1997. Stem group arthropods from the Lower Cambrian Sirius Passet fauna of north Greenland. In: R. Fortey and R. Thomas (eds.), Arthropod Relationships—Systematics Association Special Volume Series 55, 125–138. Springer, Netherlands.
  • Caron, J.-B., Gaines, R.R., Mángano, M.G., Streng, M., and Daley, A.C. 2010. A new Burgess Shale-type assemblage from the “thin” Stephen Formation of the southern Canadian Rockies. Geology 38: 811–814.
  • Collins, D. 1996. The “evolution” of Anomalocaris and its classification in the new arthropod class Dinocarida (nov.) and order Radiodonta (nov.). Journal of Paleontology 70: 280–293.
  • Cong, P., Ma, X., Hou, X., Edgecombe, G.D., and Strausfield, N.J. 2014. Brain structure resolves the segmental affinity of anomalocaridid appendages. Nature 513: 538–542.
  • Daley, A.C. and Bergström, J. 2012. The oral cone of Anomalocaris is not a classic “peytoia”. Naturwissenschaften 99: 501–504.
  • Daley, A.C. and Budd, G.E. 2010. New anomalocaridid appendages from the Burgess Shale, Canada. Palaeontology 53: 721–738.
  • Daley, A.C. and Edgecombe, G.D. 2014. Morphology of Anomalocaris canadensis from the Burgess Shale. Journal of Paleontology 88: 68–91.
  • Daley, A.C. and Legg, D.A. 2015. A morphological and taxonomic appraisal of the oldest anomalocaridid from the lower Cambrian of Poland. Geological Magazine 152: 949–955.
  • Daley, A.C., Budd, G.E., and Caron, J.-B. 2013. Morphology and systematics of the anomalocaridid arthropod Hurdia from the Middle Cambrian of British Columbia and Utah. Journal of Systematic Palaeontology 11: 743–787.
  • Daley, A.C., Budd, G.E., Caron, J.-B., Edgecombe, G.D., and Collins, D. 2009. The Burgess Shale anomalocaridid Hurdia and its significance for early euarthropod evolution. Science 323: 1597–1600.
  • Gaines, R.R. 2011. A new Burgess Shale-type locality in the “thin” Stephen Formation, Kootenay National Park, British Columbia: stratigra phic and paleoenvironmental setting. Palaeontographica Canadiana 31: 73–88.
  • Gámez Vintaned, J.A. and Zhuravlev, A.Y. 2018. Comment on “Aysheaia prolata from the Utah Wheeler Formation (Drumian, Cambrian) is a frontal appendage of the radiodontan Stanleycaris” by Stephen Pates, Allison C. Daley, and Javier Ortega-Hernández. Acta Palaeontolo gica Polonica 63: 103–104.
  • Gámez Vintaned, J.A., Liñán, E., and Zhuravlev, A.Y. 2011. A new early Cambrian lobopod-bearing animal (Murero, Spain) and the problem of the ecdysozoan early diversification. In: P. Pontarotti (ed.), Evolutionary Biology—Concepts, Biodiversity, Macroevolution and Genome Evolution, 193–219. Springer, Berlin.
  • Haug, J.T., Mayer, G., Haug, C., and Briggs, D.E.G. 2012. A Carboniferous non-onychophoran lobopodian reveals long-term survival of a Cambrian morphotype. Current Biology 22: 1673–1675.
  • Hou, X.-G., Bergström, J., and Ahlberg, P. 1995. Anomalocaris and other large animals in the lower Cambrian Chengjiang Fauna of Southwest China. GFF 117: 163–183.
  • ICZN (International Commission on Zoological Nomenclature) 2012. Amendment of Articles 8, 9, 10, 21, and 78 of the International Code of Zoological Nomenclature to expand and refine methods of publication. Bulletin of Zoological Nomenclature 69: 161–169.
  • Lankester, E.R. 1904. The structure and classification of Arthropoda. Quarterly Journal of Microscopial Science 47: 523–582.
  • Liu, Q. 2013. The first discovery of anomalocaridid appendages from the Balang Formation (Cambrian Series 2) in Hunan, China. Alcheringa 37: 338–343.
  • Liu, J., Shu, D., Han, J., Zhang, Z.F., and Zhang, X.L. 2006. A large xenusiid lobopod with complex appendages from the Chengjiang Lagerstätte (Lower Cambrian, China). Acta Palaeontologica Polonica 51: 215–222.
  • Ortega-Hernández, J. 2015. Lobopodians. Current Biology 25: R873–875.
  • Ou, Q., Liu, J., Shu, D., Han, J., Zhang, Z. Wan, X. and Lei, Q. 2011. A rare onychophoran-like lobopodian from the Lower Cambrian Chengjiang Lagerstatte, Southwestern China, and its phylogenetic implications. JOURNAL OF PALEONTOLOGY 85: 587–594.
  • Ou, Q., Shu, D., and Mayer, G. 2012. Cambrian lobopodians and extant onychophorans provide new insights into early cephalization in Panarthropoda. Nature Communications 3: 1261.
  • Pates, S. and Daley, A.C. 2017. Caryosyntrips: a radiodontan from the Cambrian of Spain, USA and Canada. Papers in Palaeontology 3: 461–470.
  • Pates, S., Daley, A.C., and Lieberman, B.S. 2017a. Hurdiid radiodontans from the middle Cambrian (Series 3) of Utah. Journal of Paleontology [published online].
  • Pates, S., Daley, A.C., and Ortega-Hernández, J. 2017b. Aysheaia prolata from the Utah Wheeler Formation (Drumian, Cambrian) is a frontal appendage of the radiodontan Stanleycaris. Acta Palaeontologica Polonica 62: 619–625.
  • Smith, M.R. and Ortega-Hernández, J. 2014. Hallucigenia’s onycohphoranlike claws and the case for Tactopoda. Nature 512: 363–366.
  • Van Roy, P., Daley, A.C., and Briggs, D.E.G. 2015. Anomalocaridid trunk limb homology revealed by a giant filter feeder with paired flaps. Nature 522: 77–80.
  • Vinther, J., Stein, M., Longrich, N.R., and Harper, D.A. 2014. A suspensionfeeding anomalocarid from the Early Cambrian. Nature 507: 496–499.
  • Yang, J., Ortega-Hernández, J., Gerber, S., Butterfield, N.J., Hou, J.B., Lan, T., and Zhang, X.G., 2015. A superarmored lobopodian from the Cambrian of China and early disparity in the evolution of Onychophora. Pro ceedings of the National Academy of Sciences of the USA 112: 8678–8683.
  • Young, F.J. and Vinther, J. 2017. Onychophoran-like myoanatomy of the Cambrian gilled lobopodian Pambdelurion whittingtoni. Palaeontology 60: 27–54.
  • Zamora, S., Mayoral, E., Esteve, J., Gámez-Vintaned, J.A., and Santos, A. 2011. Exoskeletal abnormalities in paradoxidid trilobites from the Cambrian of Spain, and a new type of bite trace. Bulletin of Geosciences 86: 665–673.
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Bibliografia
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