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A taxonomic revision of three mid-Telychian monoclimacids

Published online by Cambridge University Press:  20 May 2016

Jan Zalasiewicz ,
David K. Loydell  and
Petr Štorch
Jan Zalasiewicz
Affiliation:
British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom
David K. Loydell
Affiliation:
Institute of Earth Studies, University of Wales, Aberystwyth, Dyfed, SY23 3DB, United Kingdom
Petr Štorch
Affiliation:
Geological Institute, Academy of Sciences of Czech Republic, Rozvojová 135, Praha 6, Suchdol, 165 00, Czech Republic
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Abstract

The important mid-Telychian biozonal index species Monoclimacis griestoniensis (Nicol, 1850) is redescribed and distinguished from two new species: Monoclimacis directa (formerly the ‘Monograptus cf. griestoniensis’ of Elles and Wood, 1911), and Monoclimacis woodae. Stratigraphically, directa appears a little before griestoniensis, whilst woodae is from the late griestoniensis to early crenulata Biozone.

Type
Research Article
Information
Journal of Paleontology , Volume 69 , Issue 5 , September 1995 , pp. 961 - 967
Copyright
Copyright © The Paleontological Society 

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