WoRMS taxon details
Heterohelicoidea Cushman, 1927 †
marine, fresh, terrestrial
fossil only
Not documented
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Heterohelicoidea Cushman, 1927 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=478986 on 2024-05-08
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additional source
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 
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Diagnosis Test biserial or triserial, at least in early stage, may be reduced to uniserial but more commonly shows chamber proliferation in the later stage; aperture a low to high arch at the base of the final chamber or terminal in the uniserial stage. L. Cretaceous (Aptian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
