WoRMS taxon details
original description
Hasson, P. F. (1985). New Observations on the Biostratigraphy of the Saudi Arabian Umm er Radhuma Formation (Paleogene) and Its Correlation with Neighboring Regions. <em>Micropaleontology.</em> 31(4): 335-364., available online at https://doi.org/10.2307/1485592 page(s): p. 352 [details] Available for editors [request]
basis of record
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
From editor or global species database
Diagnosis Flattened lenticular test in a low trochospiral coil, about twelve chambers in the final whorl, all visible on the weakly convex spiral side around a central umbonal knob, sutures depressed, oblique and curved back at the periphery, umbilical side with incised sutures and with umbilical chamber extensions in young individuals resembling the imperforate lip or astral lobe of Rotalia but apparently perforate in Redmondina, in larger specimens the umbilical area is filled with protruding coarse pustules; wall calcareous, thick, of radially fibrous calcite, coarsely perforate; primary aperture an interiomarginal slit, supplemented by the large areal pores of the apertural face. L. Eocene; Saudi Arabia. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
|