Foraminifera taxon details
original description
MacGillavry, H. J., 1963, Phylomorphogenesis and evolutionary trends of Cretaceous orbitoidal foraminifera, in G. H. R. von Koenigswald, et al., ed., Evolutionary Trends in Foraminifera. Amsterdam: Elsevier, pp. 139-196. [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 [request]
From editor or global species database
Diagnosis Sulcoperculinoid juvenarium, later developing lateral chambers, equatorial layer as in pseudorbitoids but with roof and floor, equatorial chambers and chamber walls traversed by radial plates, later ones elongated concentrically; chamber walls traversed by radial stolons. U. Cretaceous (Campanian to Maastrichtian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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