Foraminifera taxon details
Not documented
From editor or global species database
Diagnosis Test planispiral in early stage, with chambers becoming annular; outer part of chambers subdivided by secondary partitions or by more than one order of these; apertures alternating in position from chamber to chamber, producing an oblique stolon system. L. Cretaceous (Valanginian) to U. Cretaceous (Campanian). (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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