Figure 23: Blades, costae and costellae, linear-elongate ornaments of lamellar-perforate shells.
A: Neouvigerina porrecta (Brady), lateral view; B: Loxostoma amygdalaeformis (Brady), lateral view; C-D: Glabratellina sp., lateral and umbilical views. SEM graphs. Gulf of Aqaba. Recent.