Parallelidon dawsoni Beede 1911

Abstract

Parallelidon [sic] dawsoni Beede, 1911 Original source Beede (1911): 168, unnumbered text-fig. on p. 168. Type stratum and age “Carbonic (Mississippic); ferruginous magnesian limestone” (probably Windsor Group; middle to upper Visean, Mississippian, Carboniferous according to Utting 1978) and “bed (e)” / “Stewiacke limestone [...], Productus Limestone ” (part of the Windsor Group; see also M. hardingi). Type locality “ Magdalen Island, Grindstone Island, Cape le Trou at the west coast”; Les Îles-de-la-Madeleine, Quebec, and “Windsor”; Nova Scotia, Canada. Type material In addition to material from Grindstone Island, Beede selected one of the two specimens of M. hardingi of Dawson (1868: text-fig. 102b on p. 302) as belonging to this new species. He did not select a type. The material of Dawson (1868) is stored at the Redpath Museum of the McGill University, under coll. no. 2820. The whereabouts of Beede’s remaining material are unknown. Remarks Also listed by Bell (1929) and Calder (1998), who also adopted the spelling error of the genus. Listed by Paul (1941: 115) as Grammatodon dawsoni.

Authors 3

1. Julia C. Friedel

   University of Cologne

   Affiliation as printed

   Institute of Geology and Mineralogy, University of Cologne, Zülpicher Str. 49 a, 50674 Cologne, Germany

2. Thomas A. Neubauer Aachen Department of Earth and Environmental Sciences

   Ludwig-Maximilians-Universität München · Bavarian Natural History Collections · Naturalis Biodiversity Center · Bayerische Staatssammlung für Paläontologie und Geologie

   Affiliation as printed

   SNSB - Bavarian State Collection for Palaeontology and Geology, Richard-Wagner-Strasse 10, 80333 Munich, Germany. & Department of Earth and Environmental Sciences, Palaeontology & Geobiology, Ludwig-Maximilians-Universität München, Richard-Wagner-Str. 10, 80333 Munich, Germany. & Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands

3. Michael R. W. Amler

   University of Cologne · Philipps University of Marburg

   Affiliation as printed

   Institute of Geology and Mineralogy, University of Cologne, Zülpicher Str. 49 a, 50674 Cologne, Germany. & Department of Geography, Philipps-Universität Marburg, Deutschhausstr. 10, 35032 Marburg, Germany