01.06.2021 | History

3 edition of Foraminifera found in the catalog.


6 No 2

  • 623 Want to read
  • 721 Currently reading

Published by Administrator in Franklin Classics Trade Press

  • United States
    • Subjects:
    • Franklin Classics Trade Press

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      • Source title: Foraminifera: 6 No 2

        StatementFranklin Classics Trade Press
        PublishersFranklin Classics Trade Press
        LC ClassificationsNov 08, 2018
        The Physical Object
        Paginationxvi, 106 p. :
        Number of Pages93
        ID Numbers
        ISBN 100344919625

        nodata File Size: 10MB.

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Foraminifera by Franklin Classics Trade Press Download PDF EPUB FB2

4 1994 Lagenammina arenulata Skinner ; Jones, p. Test long, distal end bluntly pointed, wall calcareous, perforate, surface ornamented with fine spines; chambers subglobular, biserially arranged, rapidly increasing in size; periphery Foraminifera, sutures depressed and curved; aperture terminal, round on a cylindrical neck, bordered by a thin rim.

These sea-surface dwellers evolved faster than most of their benthic counterparts making them more suitable as biostratigraphic markers. Test oval, wall calcareous, imperforate, surface reticulate, ornamented with transverse ribs; chambers inflated, chamber arrangement quinqueloculine, coiling partially evolute; aperture U-shaped in younger forms, cribrate, sieve-like in adults produced by the coalescence of teeth.

Foraminifera granulata Costa, 1855 1855 Textularia sagittula Defrance var. 1, 4 1993 Labrospira jeffreysii Williamson ; Hottinger, Halicz and Reiss, p.


Test triangular, Foraminifera arenaceous, surface smooth; chambers broad Foraminifera the apertural end, pointed at the aboral end, angular on both sides; periphery acutely angled, sutures distinct, depressed; apertural side truncate, aperture terminal, low, slit-like depression. 2 Remarks: The wall is porcelaneous and imperforate. Test small, asymmetrical, wall calcareous, finely perforate, surface smooth, granular pustules filling the umbilicus, apertural side and to Foraminifera little extent along the sutures; chambers slightly inflated, rapidly increasing in size, planispirally arranged, coiling involute; periphery subrounded, sutures distinct, very slightly depressed and curved; aperture an interiomarginal, narrow, equatorially placed slit at the base of the apertural face.

concava Wiesner, 1913 1913 Spiroloculina acutimargo Brady var. 2010 Uvigerina mediterranea Hofker; Margreth, p.