Diagnosis
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englanti
)
tarjonnut World Register of Marine Species
Test uniserial and rectilinear, globular proloculus followed by an elongate series of gradually enlarging and distally tapering flaskshaped chambers with blunt lower margin; wall very thin, delicate, and flexible, consisting of a single layer of minute quartz and mica grains agglutinated on a proteinaceous base, early stage may have foreign particles widely spaced, later with adjacent grains abutting; aperture a simple terminal opening, may be flush with the surface or slightly produced with a phialine neck, and may have more than one layer of grains immediately around the opening. Holocene; N. Atlantic: England at20m to46m; Norway from 150m to200m; Sweden from 20 m to 515 m. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp.
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