Bolivina ordinaria Phleger and Parker, 1952

Camacho, S, Moura, D, Connor, S, Scott, DB & Boski, T, 2015, Taxonomy, ecology and biogeographical trends of dominant benthic foraminifera species from an Atlantic-Mediterranean estuary (the Guadiana, southeast Portugal), Palaeontologia Electronica 52 (4), pp. 1-37 : 23

Bolivina ordinaria Phleger and Parker, 1952 , new name

Figure 4.1-4.4

1952 Bolivina ordinaria Phleger and Parker : p. 14, pl. 7, figs. 4-6.

1980 Bolivina ordinaria Phleger and Parker ; Boltovskoy, Giussaani, Watanabe and Wright, p. 18, pl. 3, figs. 1-3.

2001 Bolivina variabilis (Williamson, 1858) ; Debenay, Tsakiridis, Soulard and Grossel, pl. 4, figs. 3, 4.

2004 Bolivina dilatata (Reuss, 1850) ; Duijnstee, de Lugt, Noordegraaf and van der Zwaan, p. 145, pl. I.

2004 Brizalina britannica (Macfadyen, 1942) ; Leorri and Cearreta, p. 93, pl. 1, fig. 9.

2004 Bolivina pseudoplicata Heron-Allen and Earland, 1930 ; Diz, Francés, Costas, Souto and Alejo, p. 273, pl. 2, fig. 4.

2004 Bolivina ordinaria Phleger and Parker ; Martins and Gomes, p. 90, fig. 2.53.

2008 Brizalina spathulata (Williamson, 1858) ; Diz and Francés, p. 184, pl. 1, figs. 8-10.

2012 Bolivina ordinaria Phleger and Parker ; Mendes, Dias, Schönfeld and Ferreira, p. 22, fig. 2.8.

Morphological description. Calcareous wall; test small, compressed, tapering regularly throughout to subacute initial end, slightly ovate at apertural end; chambers increasing gradually as added, narrow, seven to ten pairs in adult; sutures depressed, broad and curved; wall smooth, distinctly perforate; aperture a narrow loop at the base of the apertural face, bordered on one margin by a thickened and imperforated rim.

Occurrence. Dominant species in winter, associated with A. aberdoveyensis and H. germanica , at low-middle stands of the marsh. In summer it is less frequent and less abundant.

Figures

FIGURE 4. Scanning electron micrographs of the foraminifera specimens. Scale bar equals 100 µm. 1-4- different sized specimens of Bolivina ordinaria Phleger and Parker, 1952, new name; 5- Buliminella elegantissima (d’Orbigny, 1839b); 6-7- Cornuspira involvens (Reuss 1850); 8-10- Miliolid sp1; 8- apertural view; 9- front view; 10- back view; 11- 13- Miliolid sp2; 11- apertural view; 12- front view; 13- back view; 14-16- Miliolid sp3; 14- front view; 15- apertural view; 16- back view; 17-18- Miliolid sp4; 17- apertural view; 18- front view; 19-21- Miliolid sp5; 19- apertural view; 20- front view; 21- back view; 22-23- Miliolid sp6; 22- front and apertural view; 23- back view; 24-26- Miliolid sp7; 24- front view; 25- apertural view; 26- front and apertural view; 27-29- Miliolid sp8; 27- front view; 28- apertural view; 29- front view of a smaller specimen.