EARLY EVOLUTION OF THE GENUS EOPARASTAFFELLA (FORAMINIFERA) IN EURASIA: THE "INTERIECTA GROUP" AND RELATED FORMS, LATE TOURNAISIAN TO EARLY VISEAN (MISSISSIPPIAN)

Abstract

Research Article| January 01, 2007 EARLY EVOLUTION OF THE GENUS EOPARASTAFFELLA (FORAMINIFERA) IN EURASIA: THE “INTERIECTA GROUP” AND RELATED FORMS, LATE TOURNAISIAN TO EARLY VISÉAN (MISSISSIPPIAN) François-Xavier Devuyst; François-Xavier Devuyst 1Trinity College, Department of Geology, College Green, Dublin 2, Ireland. Present address: Masaryk University, Institute of Geological Sciences, Faculty of Sciences, Kotlářská, 2, 611 37 Brno, Czech Republic, E-mail: devuyst@hotmail.com. Search for other works by this author on: GSW Google Scholar Jiří Kalvoda Jiří Kalvoda 2Masaryk University, Institute of Geological Sciences, Faculty of Sciences, Kotlářská, 2, 611 37 Brno, Czech Republic, E-mail: dino@sci.muni.cz Search for other works by this author on: GSW Google Scholar Author and Article Information François-Xavier Devuyst 1Trinity College, Department of Geology, College Green, Dublin 2, Ireland. Present address: Masaryk University, Institute of Geological Sciences, Faculty of Sciences, Kotlářská, 2, 611 37 Brno, Czech Republic, E-mail: devuyst@hotmail.com. Jiří Kalvoda 2Masaryk University, Institute of Geological Sciences, Faculty of Sciences, Kotlářská, 2, 611 37 Brno, Czech Republic, E-mail: dino@sci.muni.cz Publisher: Cushman Foundation for Foraminiferal Research Received: 11 Nov 2005 Accepted: 29 Jun 2006 First Online: 03 Mar 2017 Online ISSN: 1943-264X Print ISSN: 0096-1191 © 2007 Journal of Foraminiferal Research Journal of Foraminiferal Research (2007) 37 (1): 69–89. https://doi.org/10.2113/gsjfr.37.1.69 Article history Received: 11 Nov 2005 Accepted: 29 Jun 2006 First Online: 03 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation François-Xavier Devuyst, Jiří Kalvoda; EARLY EVOLUTION OF THE GENUS EOPARASTAFFELLA (FORAMINIFERA) IN EURASIA: THE “INTERIECTA GROUP” AND RELATED FORMS, LATE TOURNAISIAN TO EARLY VISÉAN (MISSISSIPPIAN). Journal of Foraminiferal Research 2007;; 37 (1): 69–89. doi: https://doi.org/10.2113/gsjfr.37.1.69 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyJournal of Foraminiferal Research Search Advanced Search Abstract Eoparastaffella is a stratigraphically important genus as the appearance of Eoparastaffella simplex Vdovenko, 1954 from primitive Eoparastaffella of the late Tournaisian was chosen by the Subcommission on Carboniferous Stratigraphy (SCCS) as the primary tool for recognition of the base of the Viséan. Common representatives of Eoparastaffella interiecta Vdovenko, 1971 and related forms were encountered during study of sections spanning the Tournaisian-Viséan boundary in several regions of Eurasia (western and central Europe, northern Iran and southern China). Eoparastaffella interiecta was previously known only from the Viséan of the former USSR and Bulgaria. Two new species, Eoparastaffella vdovenkoae n. sp. and Eoparastaffella macdermoti n. sp., and two unnamed new subspecies are described herein from abundant new material. The morphologically related species Eoparastaffella florigena (Pronina, 1963) and Eoparastaffella tumida (Pronina, 1963) are discussed. A biometric study is carried out, in addition to classical morphological descriptions, in an attempt to characterize objectively the morphospace occupied by these taxa and to illustrate their intraspecific variability. The abundant material also allows the description of the juvenile forms of each taxon. The evolutionary history of early Eoparastaffella is discussed and the biostratigraphic interest of the newly proposed taxa is assessed. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.