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The Ordovician trilobite Calyptaulax brongniartii (Portlock)

Published online by Cambridge University Press:  03 November 2011

E. N. K. Clarkson  and
R. P. Tripp
E. N. K. Clarkson
Affiliation:
Grant Institute of Geology, University of Edinburgh, West Mains Road, Edinburgh EH9 3JW, Scotland
R. P. Tripp
Affiliation:
British Musuem (Natural History), Cromwell Road, London SW7 5BD, England
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Abstract

Calyptaulax brongniartii (Portlock) from the Caradocian Bardahessiagh Formation, Pomeroy, Northern Ireland is redescribed. Equivalent material from Scottish horizons (Balclatchie and Ardwell groups) is regarded as belonging to separate populations. Campbell's system of notation is used to describe variation in the arrangement and number of lenses in the eye. The most closely related species is C. strasburgensis (Ulrich & Delo) from the Edinburg Limestone of Virginia, U.S.A.

Keywords

CaradociandistributioneyesNorthern IrelandPhacopinaredescriptionScotland.
Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 72 , Issue 4 , 1982 , pp. 287 - 294
Copyright
Copyright © Royal Society of Edinburgh 1982

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References

Campbell, K. S. W. 1977. Trilobites of the Haragan, Bois d'Arc and Frisco Formations (Early Devonian) Arbuckle Mountains Region, Oklahoma. BULL OKLAHOMA GEOL SURV 123, 1–227.Google Scholar
Clarkson, E. N. K. 1966. Schizochroal eyes and vision of some Silurian acastid trilobites. PALEONTOLOGY 9, 1–29.Google Scholar
Clarkson, E. N. K. 1975. The evolution of the eye in trilobites. FOSSILS AND STRATA 4, 1–26.Google Scholar
Cooper, G. A. 1930. Upper Ordovician and Lower Devonian stratigraphy and paleontology of Percé, Quebec. Part II. New species from the Upper Ordovician of Percé. AM J SCI SER 5, 20, 265–88, 365–92.Google Scholar
Delo, D. M. 1935. A revision of the phacopid trilobites. J PALEONTOL 9, 402–20.Google Scholar
Delo, D. M. 1940. Phacopid trilobites of North America. GEOL SOC AM SPEC PAP 29, 1–135.Google Scholar
Mitchell, I. H. 1977. The Ordovician Brachiopoda from Pomeroy, Co. Tyrone. PALAEONTOGR SOC (MONOGR) 1–38.Google Scholar
Nicholson, H. A. & Etheridge, R. 1878–1880. A monograph of the Silurian fossils of Girvan in Ayrshire, with special reference to those contained in the ‘Gray Collection’. Edinburgh: Blackwood.CrossRefGoogle Scholar
Peach, B. N. & Home, J. 1899. The Silurian Rocks of Great Britain, 1: Scotland. MEM GEOL SURV UK 1–749.Google Scholar
Portlock, J. E. 1843. Report on the geology of Londonderry and parts of Tyrone and Fermanagh. Dublin: Andrew Milliken.Google Scholar
Reed, F. R. C. 1906. The Lower Palaeozoic Trilobites of the Girvan District, Ayrshire. PALAEONTOGR SOC (MONOGR) 3, 97–186.CrossRefGoogle Scholar
Reed, F. R. C. 1945. Notes on some Ordovician Brachiopods and a Trilobite from the Balclatchie Beds of Girvan. ANN MAG NAT HIST SER II, 12, 309–16.CrossRefGoogle Scholar
Reed, R. R. C. 1952. Revision of certain Ordovician fossils from County Tyrone. PROC R IR ACAD 55, 31–136.Google Scholar
Salter, J. W. 1853. British Organic Remains, Decade 7. MEM GEOL SURV UK.Google Scholar
Salter, J. W. 1864. A monograph of British Trilobites, Pt 1. PALAEONTOGR SOC (MONOGR) 1–80.Google Scholar
Shaw, F. C. 1968. Early Middle Ordovician Chazy Trilobites of New York. MEM STATE UNIV NEW YORK 17, 1–163.Google Scholar
Struve, W. 1959. Superfamily Dalmanitacea Vogdes 1890, pp. 0468–0495. In Harrington, H. J.et al. (eds) Treatise on Invertebrate Paleontology, Part 0, Arthropoda 1, 01–0560, Lawrence, Kansas: University of Kansas and Geological Society of America.Google Scholar
Tripp, R. P. 1954. Caradocian Trilobites from Mudstones at Craighead Quarry, near Girvan, Aryshire. TRANS R SOC EDINBURGH 62, 655–93.CrossRefGoogle Scholar
Tunnicliff, S. P. 1980. A catalogue of the Lower Palaeozoic Fossils in the collection of Major General J. E. Portlock R. E., LL. D., F. R. S., F. G. S & c. Belfast: Ulster Museum.Google Scholar
Tunnicliff, S. P. 1982. A revision of late Ordovician bivalves from Pomeroy, Co. Tyrone, Ireland. PALAEONTOLOGY 25, 43–88.Google Scholar
Vogdes, A. W. 1890. A bibliography of Palaeozoic Crustacea from 1698 to 1889, including a list of North American Species and a systematic arrangement of genera. BULL U S GEOL SURV 63, 1–177.Google Scholar