Foraminifera taxon details

Guembelitrioides El-Naggar, 1971 †

721447  (urn:lsid:marinespecies.org:taxname:721447)

accepted
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marine, brackish, fresh, terrestrial
fossil only
masculine
El-Naggar, Z. R. (1971). On the classification, evolution and stratigraphical distribution of the Globigerinacea, in A. Farinacci, ed., Proceedings Il Planktonic Conference, vol. 1. <em>Rome: Edizioni Tecnoscienza.</em> 421-476.
page(s): p. 431 [details]   
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Guembelitrioides El-Naggar, 1971 †. Accessed at: https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=721447 on 2024-04-18
Date
action
by
2013-03-08 13:53:47Z
created
2017-09-12 08:35:36Z
changed
2017-12-25 14:25:40Z
changed
2018-10-04 11:36:03Z
changed

original description El-Naggar, Z. R. (1971). On the classification, evolution and stratigraphical distribution of the Globigerinacea, in A. Farinacci, ed., Proceedings Il Planktonic Conference, vol. 1. <em>Rome: Edizioni Tecnoscienza.</em> 421-476.
page(s): p. 431 [details]   

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  PDF available [request] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Diagnosis Test with spherical to ovate chambers in a high trochospiral coil, about four chambers in the final whorl, sutures radial, deeply depressed, umbilicus wide and deep, periphery rounded, peripheral outline distinctly lobate; wall calcareous, coarsely perforate, surface cancellate, with pore pits and ridges, intersections of the ridges crowned by knoblike pustules or mounds; primary aperture a high interiomarginal, umbilical arch, one or more secondary supplementary apertures may occur on the spiral side of the final whorl. Upper L. Eocene (U. Ypresian) to M. Eocene (L. Lutetian); N. and S. Atlantic; Trinidad. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]