basis of recordLoeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online athttps://books.google.pt/books?id=n_BqCQAAQBAJ[details] Available for editors [request]
From editor or global species database
Diagnosis Test straight to slightly arcuate, chambers uniserial or less commonly biserial in part; aperture rounded, radiate, or multiple. L. Jurassic to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]