Articles | Volume 19, issue 1
https://doi.org/10.5194/fr-19-1-2016
https://doi.org/10.5194/fr-19-1-2016
Research article
 | 
16 Nov 2015
Research article |  | 16 Nov 2015

Two new species of megasporangiate Sigillariostrobus Schimper (Sigillariostrobaceae) fructifications from the British Coal Measures

B. A. Thomas and L. J. Seyfullah

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Cited articles

Abbot, M. L.: Lycopod fructifications from the Upper Freeport (No. 7) coal in southeastern Ohio. Palaeontogr. Abt. B., 112, 93–118, 1963.
Andrews, H. N.: Index of Generic Names of Fossil Plants 1820–1965, Geological Survey Bulletin, 1300, Washington, 1970.
Arnold, C. A.: An introduction to paleobotany, McGraw-Hill, New York and London, 1947.
Arnold, C. A.: Megaspores from the Michigan Coal Basin. Contrib. Mus. Paleontol. Univ. Michigan, 8, 59–111, 1950.
Arnold, C. A.: Re-examination of Triletes superbus, T. rotatus and T. mamillarius of Bartlett. Brittonia, 3, 245–252, 1961.
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Short summary
We discovered two new species of Sigillariostrobus cones belonging to the extinct arborescent lycophytes (club mosses). These cones usually fall apart, so finding new intact cones is rare and very important for understanding the diversity of Carboniferous lycophytes. The two species are the first from Britain, although the other cones are known from Europe. One of the cone species has Laevigatisporites glabratus-type spores inside; the other has Tuberculatisporites brevispiculus-type spores.