Foraminifera taxon details
From editor or global species database
Diagnosis Test free, commonly large, globular, fusiform, or subcylindrical, coiled about elongate axis; proloculus followed by flexostyle, then quinqueloculine in microspheric juvenile stage, adult planispiral; chambers numerous, and divided by secondary partitions or septulae into one or more layers of chamberlets that parallel the direction of coiling; numerous apertures in one or more rows, or rarely fused into a slit. L. Cretaceous (Aptian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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