Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test a straight, unbranched, or sparsely branched nonseptate tube that may show growth constrictions; wall thick, agglutinated, well cemented, growth occurring at one end, opposite end may be packed with debris and periodically discarded; aperture at the open end of the tube. L. Cambrian to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]