Lepidodeuterammina ochracea (Williamson, 1858)

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 : 20

Lepidodeuterammina ochracea (Williamson, 1858)

Figure 3.5-3.8

1858 Rotalina ochracea Williamson : p. 55, pl. 4, fig. 112; pl. 5, fig. 113.

1865 Trochammina squamata Parker and Jones : p. 407, pl. 15, figs. 30, 31.

1920 Trochammina ochracea (Williamson) ; Cushman, p. 75, pl. 15, fig. 3.

1952 Trochammina squamata Parker and Jones ; Parker, p. 460, pl. 3, fig. 4.

1954 Trochammina ochracea (Williamson) ; Boltovskoy, p. 265, pl. 22, fig. 5.

1962 Trochammina ochracea (Williamson) ; Closs and Madeira, pl. 2B, fig. 8.

1971 Trochammina ochracea (Williamson) ; Murray, p. 37, pl. 11, figs. 1-5.

1980 Trochammina ochracea (Williamson) ; Scott and Medioli, p. 45, pl. 4, figs. 4, 5.

1987 Lepidodeuterammina ochracea (Williamson) ; Loeblich and Tappan, p. 127, pl. 135, figs. 10-14.

2004 Lepidodeuterammina ochracea (Williamson) ; Martins and Gomes, p. 29, fig. 2.12.

2005 Trochammina ochracea (Williamson) ; Barbosa, Scott, Seoane and Turcq, p. 40, pl. 2, figs. 16-20.

Morphological description. The wall is thin,

agglutinated and single layered; trochospirally enrolled, very flat and concave ventrally; sutures are radial and the periphery is rounded.

Occurrence. Very rare in the living assemblages.

Figures

FIGURE 3. Scanning electron and light microscope micrographs of the foraminifera specimens. Scale bar equals 100 µm except where noted otherwhise; 1-2- Jadammina macrescens (Brady, 1870); 1- supplementary apertures view; 2- detail of supplementary apertures (scale bar = 50 µm); 3-4- Lepidodeuterammina plymouthensis Brönnimann and Whittaker, 1990; 3- dorsal view; 4- ventral view; 5-8- Lepidodeuterammina ochracea (Williamson, 1858); 5- dorsal view; 6- ventral view; 7- dorsal view of a smaller specimen; 8- ventral view of a smaller specimen; 9-10- Portatrochammina sp.; 9- dorsal view; 10- ventral view; 11-13- Siphotrochammina sp.; 11- dorsal side with inter-cameral foramen view; 12- dorsal view of a smaller specimen, also with inter-cameral foramen; 13- ventral view of a smaller specimen; 14-16- Tiphotrocha comprimata Saunders, 1957; 14- dorsal view; 15- ventral view; 16- individual strongly attached to a sea-grass leaf; detail of a Pinus pollen grain at the center of the leaf; 17-21- Trochammina inflata (Montagu, 1808); 17- dorsal view; 18- ventral view; 19- ventral view with umbilical tube detail; 20- microspheric form dorsal view; 21- microspheric form ventral view; 22- Eggerelloides scaber (Williamson, 1858); 23-25- Textularia earlandi Parker, 1952; 23- apertural view; 24- lateral view; 25- profile view with aperture in detail; 26-29- Discorinopsis aguayoi (Bermúdez, 1935); 26- scanning electron dorsal view; 27- scanning electron ventral view; 28- light microscope dorsal view; 29- light microscope ventral view.