Foraminifera taxon details
From editor or global species database
Diagnosis Test lenticular, planispirally enrolled, periphery subangular in the early stage, final whorl tending to uncoil and become rectilinear, septa plane; wall thick, undifferentiated in the early enrolled stage, final whorl and uncoiled part with an indistinct diaphanotheca; aperture simple, single, basal in the enrolled stage, areal and central in the uncoiled part. U. Carboniferous (Moscovian); Viet Nam; Thailand. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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