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A New Brachiopod (Leptestia) from the Kuckers Stage in Estonia
Published online by Cambridge University Press: 01 May 2009
Extract
Among the Brachiopoda described in my recent memoir on the Kuckers stage of north-east Estonia, there was an undetermined member of the Strophomenacea, of which the interior of the dorsal valve was unknown. I have since found a dorsal valve with its exterior (concave) outwards, embedded in kuckersite. By filling the concavity with plaster of Paris the shell could be easily removed from the kuckersite. A complete description can now, therefore, be given. Since my return to Estonia I have found additional examples of the same species and of another species of the same genus amoug the collections of the Tartu (Dorpat) Museum, which were removed into Russia during the war, and have now been returned.
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References
page 361 note 1 Rastall, R. H., Quart. Journ. Geol. Soc., vol. lxii, 1906, p. 253.CrossRefGoogle Scholar
page 362 note 1 Labelled in the collections Leptaena transversalis Wahlenb.
page 362 note 2 The name is composed of Lept- from leptós; and estia from Eesti (Estonia).
page 364 note 1 Hall, , & Clarke, , Palæontology of New York, vol. viii, 1892, pl. viii, fig. 9.Google Scholar
page 364 note 2 Hall, , & Clarke, , op. cit., p. 293, pl. XVA, fig. 15.Google Scholar
page 364 note 3 I am indebted to Professor O. T. Jones for calling my attention to the fact that P. schmidti var. leptelloides Bekker, described in my memoir (Bekker, H., “The Kuckers Stage of the Ordovician Rocks of N.E. Estonia”: Acta et Comm. Univ. Dorpatensis, A ii, 1, p. 68, pl. iii, fig. 16; pl. iv, fig. 12; pl. v, figs. 9–13), is a distinct species and I replace the latter name by that of Plectambonites leptelloides Bekker.Google Scholar
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