Foraminifera taxon details
Heterohelicoidea Cushman, 1927 †
marine, fresh, terrestrial
fossil only
Not documented
Diagnosis Test biserial or triserial, at least in early stage, may be reduced to uniserial but more commonly shows chamber...
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]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Heterohelicoidea Cushman, 1927 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=478986 on 2025-02-07
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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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From editor or global species database
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]