Elphidium charlottense (Vella, 1957)

Symphonia, Tabita K. & Senthil, Nathan D., 2019, Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India, Palaeontologia Electronica (55 A) 22 (3), pp. 1-89 : 24

Elphidium charlottense (Vella, 1957)

Figure 6.11-12

1957 Elphidiononion charlottensis Vella , p. 38, pl. 9, figs. 187-188.

2012 Elphidium charlottense (Vella) ; Debenay, p. 218.

Description. Test biconvex, slightly compressed, wall calcareous, finely perforate, surface with pustules along the sutures and the apertural face; umbilicus with a flat boss; chambers many, arranged planispirally, coiling involute; periphery rounded, margin very slightly lobulated, with a distinct keel, sutures slightly curved, distinct, retral processes short; aperture multiple openings at the basal end of the final chamber on the apertural side.

Figures

FIGURE 6. 1-2, Calcarina spengleri (Gmelin, 1791) in dorsal view (scale equals 500 μm) (1) and in ventral view (scale equals 500 μm) (2). 3, Cribroelphidium excavatum (Terquem, 1875) in ventral view (scale equals 100 μm). 4, Cribroelphidium poeyanum (d’Orbigny, 1826) in dorsal view (scale equals 100 μm). 5, Elphidiella hannai (Cushman and Grant, 1927) in ventral view (scale equals 200 μm). 6, Elphidium advenum subsp. limbatum (Chapman, 1907) in dorsal view (scale equals 200 μm). 7, Elphidium advenum var. depressulum Cushman, 1933 in ventral view (scale equals 200 μm). 8, Elphidium asiaticum Polski, 1959 in ventral view (scale equals 100 μm). 9, Elphidium botaniense Albani, 1981 in ventral view (scale equals 200 μm). 10, Elphidium carteri Hayward in Hayward, Hollis and Grenfell, 1997 in dorsal view (scale equals 100 μm). 11, Elphidium charlottense (Vella, 1957) in dorsal view (scale equals 200 μm). 12, Elphidium charlottense (Vella, 1957) in apertural view (scale equals 200 μm). 13, Elphidium craticulatum (Fichtel and Moll, 1798) in dorsal view (scale equals 400 μm). 14, Elphidium crispum (Linnaeus, 1758) in dorsal view (scale equals 300 μm). 15-16, Elphidium hispidulum Cushman, 1936 in apertural view (scale equals 300 μm) (15) and in dorsal view (scale equals 300 μm) (16). 17, Elphidium macellum (Fichtel and Moll, 1798) in dorsal view (scale equals 300 μm). 18, Elphidium somaense Takayanagi, 1955 in ventral view (scale equals 200 μm). 19, Elphidium striatopunctatum (Fichtel and Moll, 1798) in dorsal view (scale equals 400 μm). 20, Nonion fabum (Fichtel and Moll, 1798) in dorsal view (scale equals 200 μm).

FIGURE 7. 1-2, Amphistegina bicirculata Larsen, 1976 in dorsal view (scale equals 1 mm) (1) and in ventral view (scale equals 1 mm) (2). 3-4, Amphistegina gibbosa d’Orbigny, 1839 in dorsal view (scale equals 500 μm) (3) and in lateral view (scale equals 500 μm) (4). 5, Amphistegina lessonii d’Orbigny in Guerin-Meneville, 1843 in dorsal view (scale equals 400 μm). 6-7, Amphistegina papillosa Said, 1949 in dorsal view (scale equals 500 μm) (6) and in lateral view (scale equals 300 μm) (7). 8-10, Amphistegina radiata (Fichtel and Moll, 1798) in dorsal view (scale equals 500 μm) (8); in ventral view (scale equals 500 μm) (9); and in lateral view (scale equals 500 μm) (10). 11, Astrononion stelligerum (d'Orbigny, 1839) in dorsal view (scale equals 300 μm). 12, Nonion commune (d'Orbigny, 1846) in dorsal view (scale equals 200 μm). 13, Nonion costiferum (Cushman, 1926) in dorsal view (scale equals 200 μm). 14, Nonionella basispinata (Cushman and Moyer, 1930) in dorsal view (scale equals 200 μm). 15, Nonionellina labradorica (Dawson, 1860) in dorsal view (scale equals 200 μm). 16, Nonionoides elongatum (d'Orbigny, 1852) in dorsal view (scale equals 200 μm). 17, Nonionoides grateloupii (d'Orbigny, 1839a) in dorsal view (scale equals 200 μm). 18, Nonionoides turgida (Williamson, 1858) in ventral view (scale equals 100 μm). 19, Nonionoides boueana (d'Orbigny, 1846) in dorsal view (scale equals 200 μm). 20, Haynesina depressula (Walker and Jacob, 1798) in dorsal view (scale equals 100 μm).

FIGURE 8. 1-2, Baggina indica (Cushman, 1921) in dorsal view (scale equals 200 μm) (1) and in ventral view (scale equals 300 μm) (2). 3-4, Cancris auriculus (Fichtel and Moll, 1798) in dorsal view (scale equals 400 μm) (3) and in ventral view (scale equals 400 μm) (4). 5-6, Cancris bubnanensis (McCulloch, 1977) in dorsal view (scale equals 300 μm) (5) and in ventral view (scale equals 300 μm) (6). 7-8, Cancris carinata (Millet, 1904) in dorsal view (scale equals 300μm) (7) and in ventral view (scale equals 400 μm) (8). 9-10, Cancris communis Cushman and Todd, 1942 in dorsal view (scale equals 300 μm) (9) and in ventral view (scale equals 300 μm) (10). 11-12, Cancris sagra (d’Orbigny, 1839a) in dorsal view (scale equals 200 μm) (11) and in ventral view (scale equals 200 μm) (12). 13-15, Neoeponides margaritifer (Brady, 1881) in dorsal view (scale equals 500 μm) (13); in ventral view (scale equals 400 μm) (14); and in apertural view (scale equals 500 μm) (15). 16-17, Eponides cribrorepandus (Asano and Uchio, 1951) in dorsal view (scale equals 300 μm) (16) and in ventral view (scale equals 300 μm) (17). 18-19, Eponides repandus (Fichtel and Moll, 1798) in dorsal view (scale equals 300 μm) (18) and in ventral view (scale equals 300 μm) (19). 20, Rosalina macropora (Hofker, 1951) in dorsal view (scale equals 200 μm).

FIGURE 9. 1-2, Poroeponides lateralis (Terquem, 1878) in dorsal view (scale equals 1 mm) (1) and in ventral view (scale equals 500 μm) (2). 3-4, Rosalina bradyi (Cushman, 1915) in dorsal view (scale equals 200 μm) (3) and in ventral view (scale equals 200 μm) (4). 5-6, Rosalina floridana (Cushman, 1922a) in dorsal view (scale equals 100 μm) (5) and in ventral view (scale equals 100 μm) (6). 7-8, Rosalina globularis d'Orbigny, 1826 in dorsal view (scale equals 200 μm) (7) and in ventral view (scale equals 100 μm) (8). 9-10, Discorbinella bertheloti (d'Orbigny, 1839b) in dorsal view (scale equals 200 μm) (9) and in ventral view (scale equals 200 μm) (10). 11, Stilostomelloides virgula (Brady, 1879b) in dorsal view (scale equals 200 μm). 12, Rectuvigerina phlegeri Le Calvez, 1959 in dorsal view (scale equals 200 μm). 13, Uvigerina asperula Cžjžek, 1848 in dorsal view (scale equals 300 μm). 14, Uvigerina akitaensis Asano, 1950 in dorsal view (scale equals 300 μm). 15, Uvigerina auberiana d'Orbigny, 1839 in dorsal view (scale equals 200 μm). 16, Uvigerina ex gr. semiornata d’Orbigny, 1846 in dorsal view (scale equals 300 μm). 17, Uvigerina mediterranea Hofker, 1932 in dorsal view (scale equals 200 μm). 18, Uvigerina peregrina Cushman, 1923 in dorsal view (scale equals 200 μm). 19, Uvigerina pygmaea d'Orbigny, 1826 in dorsal view (scale equals 100 μm). 20, Siphouvigerina porrecta (Brady, 1879b) in dorsal view (scale equals 200 μm). 21-22, Siphouvigerina proboscidea (Schwager, 1866) in dorsal view (scale equals 100 μm) (21) and in apertural view (scale equals 100 μm) (22). 23, Trifarina angulosa (Williamson, 1858) in dorsal view (scale equals 200 μm).

FIGURE 10. 1, Bulimina aculeata d'Orbigny, 1826 in dorsal view (scale equals 200 μm). 2, Bulimina marginata d'Orbigny, 1826 in dorsal view (scale equals 200 μm). 3-4, Bulimina striata d'Orbigny in Guérin-Méneville, 1843 in ventral view (scale equals 300 μm) (3) and in apertural view (scale equals 100 μm) (4). 5, Globobulimina turgida (Bailey, 1851) in dorsal view (scale equals 400 μm). 6-8, Reussella haizumensis Asano, 1950 in dorsal view (scale equals 300 μm) (6); in closer view (scale equals 100 μm) (7); and in apertural view (scale equals 200 μm) (8). 9, Reussella spinulosa (Reuss, 1850) in dorsal view (scale equals 100 μm). 10, Valvobifarina mackinnonii (Millett, 1900a) in dorsal view (scale equals 300 μm). 11, Bolivina obscura He, Hu and Wang, 1965 in dorsal view (scale equals 200 μm). 12, Bolivina cistina Cushman, 1936 in dorsal view (scale equals 100 μm). 13, Bolivina dilatata Reuss, 1850 in dorsal view (scale equals 200 μm). 14-15, Bolivina kuriani (Seibold, 1975) in ventral view (scale equals 200 μm) (14) and in dorsal view (scale equals 100 μm) (15). 16-17, Bolivina persiensis Lutze, 1974 in dorsal view (scale equals 200 μm) (16) and in dorsal view (scale equals 200 μm) (17). 18-19, Bolivina pusilla Schwager, 1866 in dorsal view (scale equals 200 μm) (18) and in ventral view (scale equals 200 μm) (19). 20, Bolivina spathulata (Williamson, 1858) in dorsal view (scale equals 300 μm). 21, Bolivina striatula Cushman, 1922a in dorsal view (scale equals 200 μm). 22, Pseudobrizalina lobata (Brady, 1881) in dorsal view (scale equals 200 μm). 23, Sagrinella durrandii (Millett, 1900b) in dorsal view (scale equals 100 μm). 24, Saidovina karreriana (Brady, 1881) in dorsal view (scale equals 300 μm). 25, Loxostomina amygdalaeformis (Brady, 1881) in dorsal view (scale equals 500 μm). 26, Loxostomina mayori (Cushman, 1922) in dorsal view (scale equals 300 μm).

FIGURE 11. 1, Fursenkoina hadai Uchio, 1962 in dorsal view (scale equals 300 μm). 2-3, Fursenkoina pannikeri (Seibold, 1972) in dorsal view (scale equals 300 μm) (2) and in closer view (scale equals 100 μm) (3). 4, Fursenkoina schreibersiana (Cžjžek, 1848) in dorsal view (scale equals 200 μm). 5-6, Cibicides kullenbergi Parker, 1953 in dorsal view (scale equals 200 μm) (5) and in ventral view (scale equals 200 μm) (6). 7-9, Cibicides pachyderma (Rzehak, 1886) in dorsal view (scale equals 200 μm) (7); in ventral view (scale equals 300 μm) (8); and in apertural view (scale equals 200 μm) (9). 10-11, Cibicides patalaensis Haque, 1956 in dorsal view (scale equals 300 μm) (10) and in ventral view (scale equals 300 μm) (11). 12-14, Cibicides praecinctus (Karrer, 1868) in dorsal view (scale equals 300 μm) (12); in ventral view (scale equals 400 μm) (13); and in apertural view (scale equals 400 μm) (14). 15, Cibicides pseudolobatulus Perelis and Reiss, 1975 in dorsal view (scale equals 100 μm). 16-17, Cibicides refulgens de Montfort, 1808 in lateral view (scale equals 200 μm) (16) and in ventral view (scale equals 300 μm) (17). 18-19, Cibicides wuellerstorfi (Schwager, 1866) in dorsal view (scale equals 200 μm) (18) and in ventral view (scale equals 200 μm) (19). 20-21, Hanzawaia nitidula (Bandy, 1953) in dorsal view (scale equals 300 μm) (20) and in ventral view (scale equals 300 μm) (21). 22. Planorbulina mediterranensis d'Orbigny, 1826 in dorsal view (scale equals 500 μm).

FIGURE 12. 1-2, Lobatula lobatula (Walker and Jacob, 1798) in dorsal view (scale equals 400 μm) (1) and in ventral view (scale equals 100 μm) (2). 3-4, Cymbaloporetta bradyi (Cushman, 1915) in dorsal view (scale equals 200 μm) (3) and in ventral view (scale equals 300 μm) (4). 5, Riminopsis asterizans (Fichtel and Moll, 1798) in dorsal view (scale equals 200 μm). 6-7, Hansenisca soldanii (d’Orbigny, 1826) in dorsal view (scale equals 200 μm) (6) and in ventral view (scale equals 100 μm) (7). 8, Operculina ammonoides (Gronovius, 1781) in dorsal view (scale equals 1 mm). 9, Operculina bartschi Cushman, 1921 in dorsal view (scale equals 1 mm). 10, Operculina complanata (Defrance, 1822) in dorsal view (scale equals 500 μm). 11, Operculina discoidalis d’Orbigny, 1826 in dorsal view (scale equals 500 μm). 12, Operculina elegans Cushman, 1921 in dorsal view (scale equals 1 mm). 13, Operculina granulosa Leymerie, 1846 in dorsal view (scale equals 500 μm). 14, Operculina hardiei d’Archiac and Haime, 1853 in dorsal view (scale equals 500 μm). 15, Heterostegina depressa d’Orbigny, 1826 in dorsal view (scale equals 300 μm). 16, Planostegina operculinoides (Hofker, 1927) in dorsal view (scale equals 1 mm). 17-19, Pileolina patelliformis (Brady, 1884) in dorsal view (scale equals 200 μm) (17); in lateral view (scale equals 100 μm) (18); and in ventral view (scale equals 100 μm) (19). 20, Planogypsina acervalis (Brady, 1884) in dorsal view (scale equals 500 μm). 21, Sphaerogypsina globulus (Reuss, 1848) in dorsal view (scale equals 300 μm).