Foraminifera taxon details
From editor or global species database
Diagnosis Test small, fusiform, up to 2.6 mm in length, early whorls symmetrical and staffelloid, later elongating rapidly to become a fusiform adult, septa plane, up to about twenty-five per whorl; wall of thin tectum, well-defined diaphanotheca and thin upper and lower tectoria, tunnel low and wide, chomata well developed and asymmetrical, with steep side facing the tunnel. U. Permian (Kazanian), U. Guadalupian; USA: Texas. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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