WoRMS taxon details
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test ovate to auriculate in outline, dextrally coiled and trochospiral in the early stage, later uncoiling as chambers increase rapidly in breadth, internal partition partially subdivides the chambers to form relatively large supplementary chamberlets around the umbilicus on the umbilical side, sutures distinct, curved on the spiral side, nearly straight on the umbilical side, periphery rounded; wall aragonitic, perforate, surface smooth; aperture an interiomarginal slit that extends into a furrowlike depression up the center of the apertural face on the umbilical side. L. Eocene (Ypresian) to Holocene; New Zealand; Malay Archipelago; Antarctic. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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