Foraminifera taxon details
original description
Loeblich, A.R.; Tappan, H. (1949). Foraminifera from the Walnut Formation (Lower Cretaceous) of Northern Texas and Southern Oklahoma. <em>Journal of Paleontology.</em> 23(3): 245-266. page(s): p. 262 [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 large, attached, early chambers polymorphine, later attached with a spreading chamber surrounding the test, leading to an elongate tubular or branching undivided chamber, sutures of early stage flush to slightly depressed; wall calcareous, perforate, surface smooth; aperture rounded or forming a low arch at the ends of the tubular attached chamber. L. Cretaceous (Albian); USA: Oklahoma, Texas. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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