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Bolopora not a bryozoan, but an Ordovician phosphatic, oncolitic accretion

Published online by Cambridge University Press:  01 May 2009

H. J. Hofmann
Affiliation:
Department of Geology, University of Montreal, Montreal, Canada

Summary

The supposed cyclostome bryozoan Bolopora undosa Lewis 1926 is reinterpreted as a chemogenic and/or bacteriogenic dubiofossil.

Type
Articles
Copyright
Copyright © Cambridge University Press 1975

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References

Bassett, D. A., Ingham, J. K. & Wright, A. D. (Eds) 1974. Field excursion guide to type and classical sections in Britain; Ordovician System Symposium, Birmingham 1974. 66 pp. Palaeont. Assoc.Google Scholar
Bassler, R. S. 1953. Bryozoa. In: Moore, R. C. (Ed.): Treatise on Invertebrate Paleontology, Part G. Geol. Soc. Amer. and Univ. of Kansas Press. 253 pp.Google Scholar
Bates, D. E. B. 1969. Some aspects of the Arenig faunas of Wales. In: Wood, A. (Ed.): The Pre-Cambrian and Lower Palaeozoic rocks of Wales, 155–9. University of Wales Press.Google Scholar
Hofmann, H. J. 1969. Stromatolites from the Proterozoic Animikie and Sibley Groups:. Pap. Geol. Surv. Can. 6869, 77 pp.Google Scholar
Lewis, H. P. 1926. Bolopora undosa gen. et sp.nov. Q. Jl. geol. Soc. Lond. 82, 411427.CrossRefGoogle Scholar
Ross, J. P. 1964. Morphology and phylogeny of early Ectoprocta (Bryozoa). Bull. geol. Soc. Amer. 75 (10), 927–48.CrossRefGoogle Scholar
Vlasov, F. Ya. 1970. Anatomiya i morfologiya stromatolitov rannego i srednego proterozoya yuzhnogo Urala. (Anatomy and morphology of stromatolites of the Early and Middle Proterozoic of the Southern Urals.) Materialy po paleontologii Urala, Inst. of Geol. and Geochem., U.S.S.R. Acad. Sci., Uralian Branch, Sverdlovsk. 152–75.Google Scholar
Walter, M. R. 1972. A hot spring analog for the depositional environment of Precambrian iron formations of the Lake Superior region. Econ. Geol. 67 (7), 965–72.Google Scholar
Walter, M. R., Bauld, J. & Brock, T. D. 1972. Siliceous algal and bacterial stromatolites in hot spring and geyser effluents of Yellowstone National Park. Science 178, 402–5.Google Scholar