Foraminifera taxon details
From editor or global species database
Diagnosis Test elongate fusiform, poles acuminate, proloculus tiny and spherical, first whorl discoidal with short axis of coiling, outer whorls with a distinct change in axis of coiling but all whorls compactly coiled; septa strongly and regularly fluted throughout into narrow and parallel-sided folds that reach the chamber roof and ' appear like vertical pillars in axial section; wall very thin, a thin tectum and thicker but irregular diaphanotheca, no chomata, tunnel indistinct, axial fillings restricted to the axial line of the inner three to four whorls. Upper part of L. Permian; S. China. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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