Foraminifera taxon details
original description
Nuttall, W. L. F. (1925). The Stratigraphy of the Laki Series (Lower Eocene) of parts of Sind and Baluchistan (India); with a Description of the Larger Foraminifera contained in those beds. <em>Quarterly Journal of the Geological Society.</em> 81(1-4): 417-453., available online at https://doi.org/10.1144/gsl.jgs.1925.081.01-04.18 page(s): p. 447 [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 Test lenticular, large, up to 11 mm in diameter, similar to Orbitolites in structure, cyclic chambers subdivided both vertically and horizontally into numerous small chamberlets, thick closely appressed laminae completely cover the umbilical region and may produce a compact umbonal thickening, lateral canals may occupy the planes between laminae in some species; wall calcareous, imperforate, porcelaneous. U. Paleocene (Ilerdian) to L. Eocene; Baluchistan; France; Spain; Italy. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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