Diagnosis
(
anglais
)
fourni par World Register of Marine Species
Test free, elongate, oval, fusiform or cylindrical, up to 3 mm in length; wall thin, of agglutinated longitudinally aligned sponge spicules and some quartz grains; aperture terminal, rounded, may be slightly produced on a neck or have a thickened border. Oligocene to Holocene; N. and S. Atlantic; Pacific; Antarctic; Europe; South America; Australia. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp.
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