Foraminifera taxon details
From editor or global species database
Diagnosis Test attached, globular proloculus partially encircled by gradually enlarging tubular undivided second chamber that later uncoils, growing in numerous closely appressed zigzag bends and finally rectilinear; wall calcareous, imperforate, porcelaneous; aperture at the open end of the tube. U. Carboniferous (Stephanian), Virgilian; USA: Texas. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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