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Hanburia gloriosa: Rare trilobite from the Middle Cambrian, Stephen Formation, British Columbia, Canada

Published online by Cambridge University Press:  14 July 2015

Harry B. Whittington
Harry B. Whittington*
Affiliation:
Sedgwick Museum, Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, U.K.
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Abstract

Hanburia gloriosa is probably blind, the smaller specimens having a forwardly expanding glabella with lateral lobes, and six (rarely five) thoracic segments; larger specimens have a parallel-sided glabella with faint traces of lateral lobes, and six, in one case seven, thoracic segments; pygidium equal in size to the cephalon. All specimens may be holaspid, the larger corynexochoid-like; however, the smaller ones are not like any known corynexochoid. Hanburia gloriosa is the rarest trilobite from the Stephen Formation. This species, and other rare but widely distributed Lower and Middle Cambrian species from deeper water faunas are all of uncertain affinities. They do not fit into the general picture of trilobite evolution, nor appear likely ancestors of shallow water species.

Type
Research Article
Information
Journal of Paleontology , Volume 72 , Issue 4 , July 1998 , pp. 673 - 677
Copyright
Copyright © The Paleontological Society 

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References

Blaker, M. R., Nelson, C. A., and Peel, J. S. 1997. Perissopyge, a new trilobite from the Lower Cambrian of Greenland and North America. Journal of the Czech Geological Society, 41:209–216.Google Scholar
Conway Morris, S. 1989. The persistence of Burgess Shale-type faunas: implications for the evolution of deeper-water faunas. Transactions of the Royal Society of Edinburgh, Earth Sciences, 80:271–283.CrossRefGoogle Scholar
Courtessole, R. 1973. Le Cambrien Moyen de la Montagne Noire. Biostratrigraphie. Laboratoire de Géologie CEARN, Faculté des Sciences de Toulouse, Toulouse, 248 p.Google Scholar
Fortey, R. A. 1983. Cambrian-Ordovician trilobites from the boundary beds in western Newfoundland and their phylogenetic significance, p. 179–211. In Briggs, D. E. G. and Lane, P. D. (eds.), Trilobites and Other Early Arthropods: Papers in Honour of Professor H. B. Whittington, F.R.S. Special Papers in Palaeontology, 30.Google Scholar
Fortey, R. A. 1990. Ontogeny, hypostome attachment and trilobite classification. Palaeontology, 33:529–576.Google Scholar
Fritz, W. H. 1971. Geological setting of the Burgess Shale, p. 1155–1170. In Proceedings of the North American Paleontological Convention, Pt. 1, Extraordinary Fossils, Allen Press, Lawrence, Kansas.Google Scholar
Geyer, G. 1994. Cambrian corynexochid trilobites from Morocco. Journal of Paleontology, 68:1306–1320.CrossRefGoogle Scholar
Henningsmoen, G. 1957. The trilobite Family Olenidae. Skrifter utgitt av Det Norske Videnskaps-Akademi i Oslo, 1, Matematisk-naturvidenskapelig Klasse, Number 1, 303 p.Google Scholar
Hu, C.-H. 1971. Ontogeny and sexual dimorphism of Lower Paleozoic Trilobita. Palaeontographica Americana, 7, Number 44:1–155.Google Scholar
Hu, C.-H. 1985a. Ontogenies of two Middle Cambrian corynexochid trilobites from the Canadian Rocky Mountains. Transactions and Proceedings, Palaeontological Society of Japan, New Series, 138:138–147.Google Scholar
Hu, C.-H. 1985b. Ontogenetic development of Cambrian trilobites from British Columbia and Alberta, Canada, Pt. 1. Journal of Taiwan Museum, 38:121–158.Google Scholar
Hupé, P. 1953. Classe des trilobites, p. 44–246. In Piveteau, J. (ed.), Traité de Paléontologie, III. Masson, Paris.Google Scholar
Kobayashi, T. 1935. The Cambro-Ordovician Formations and Faunas of South Chosen. Palaeontology, Pt. 3, Cambrian faunas of South Chosen. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, Geology, Mineralogy, Geography, Seismology, 4:49–344.Google Scholar
Lane, P. D., and Rushton, A. W. A. 1992. A problematical trilobite from the Lower Cambrian of Freuchen Land, central North Greenland. Rapport Grønlands Geologiske Undersøgelse 54:5–12.CrossRefGoogle Scholar
Moore, R. C., (ed.) 1959. Treatise on Invertebrate Paleontology, Pt. O, Arthropoda 1. Geological Society of America and University of Kansas Press. Lawrence, 560 p.Google Scholar
Öpik, A. A. 1982. Dolichometopid trilobites of Queensland, Northern Territory, and New South Wales. Bureau of Mineral Resources, Geology and Geophysics, Canberra, Bulletin 175:1–85.Google Scholar
Palmer, A. R. 1965. Biomere—a new kind of biostratigraphic unit. Journal of Paleontology, 39:149–153.Google Scholar
Rasetti, F. 1951. Middle Cambrian stratigraphy and faunas of the Canadian Rocky Mountains. Smithsonian Miscellaneous Collections, 116(5):1–277.Google Scholar
Rasetti, F. 1967. Lower and Middle Cambrian trilobite faunas from the Taconic sequence of New York. Smithsonian Miscellaneous Collections, 152(4), 111 p.Google Scholar
Robison, R. A. 1964. Late Middle Cambrian faunas from western Utah. Journal of Paleontology, 38:510–566.Google Scholar
Robison, R. A. 1967. Ontogeny of Bathyuriscus fimbriatus and its bearing on affinities of corynexochid trilobites. Journal of Paleontology, 41:213–221.Google Scholar
Suvorova, N. P. 1964. Corynexochoid trilobites and their historical development. Academy of Sciences, USSR, Transactions of the Palaeontological Institute, 103:1–319. [In Russian] Google Scholar
Walcott, C. D. 1916a. Cambrian Geology and Paleontology, III. No. 3, Cambrian trilobites. Smithsonian Miscellaneous Collections, 64:157–258.Google Scholar
Walcott, C. D. 1916b. Cambrian Geology and Paleontology, III. No. 5, Cambrian trilobites. Smithsonian Miscellaneous Collections, 64:303–456.Google Scholar
Westergaard, A. H. 1950. Non-agnostidean trilobites of the Middle Cambrian of Sweden. Sveriges Geologiska Undersökning, Series C, Number 511, Årsbok 43(9):1–56.Google Scholar
Whittington, H. B. 1971. The Burgess Shale: history of research and preservation of fossils, p. 1170–1201. In Proceedings of the North American Paleontological Convention, Pt. I, Extraordinary Fossils, Allen Press, Lawrence, Kansas.Google Scholar
Whittington, H. B. 1988. Hypostomes and ventral cephalic sutures in Cambrian trilobites. Palaeontology, 31:577–609.Google Scholar
Whittington, H. B. 1994. Burlingiids: small proparian Cambrian trilobites of enigmatic origin. Palaeontology, 37:1–16.Google Scholar
Whittington, H. B. 1995. Oryctocephalid trilobites from the Cambrian of North America. Palaeontology, 38:543–562.Google Scholar
Zhao, Y.-L., Huang, Y.-Z., Gong, X.-Y., and Dai, X.-C. 1990. Bathynotus from Kaili Formation (Lower-Middle Cambrian) of Kaili area, Guizhou. Acta Palaeontologica Sinica, 29:43–53. [In Chinese with English summary] Google Scholar