Foraminifera taxon details
From editor or global species database
Diagnosis Test club-shaped, attached by a basal expansion, then narrowing slightly in a trunklike region of ten to twelve superimposed layers of polygonal chamberlets that are formed by numerous small vertical partitions, chamberlets increasing in number as the test gradually expands into a subglobular upper portion; wall calcareous, imperforate, porcelaneous?; aperture consisting of numerous rounded openings over the convex upper surface of the test that open into the small chamberlets, those of preceding layers remaining as intercameral foramina. Holocene; Lord Howe Island, South Pacific. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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