Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test strongly compressed, broadly palmate in outline, globular proloculus commonly with a median longitudinal rib, followed by small biserially arranged chambers, later with uniserial chevron-shaped chambers increasing rapidly in breadth and strongly overlapping earlier chambers at the margins; wall calcareous, finely perforate, radial, surface smooth; aperture terminal, rounded, or obscurely radiate. Eocene to Holocene; Pacific; New Zealand; Japan; Spain; Italy; Poland; USA: California, Oregon; Mexico; Trinidad. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database