Foraminifera taxon details
From editor or global species database
Diagnosis Test lenticular, planispiral, and involute in the early stage, later evolute, and finally uncoiling and rectilinear, septa straight; wall thin, with tectum, diaphanotheca, and outer tectorium in the coiled part but only tectum and diaphanotheca in the uncoiled part, secondary deposits consist of weakly developed chomata forming low buttresses; foramen basal in the enrolled part, becoming central in the uncoiled part. U. Carboniferous (Namurian to Moscovian): USA: Texas. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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