Diagnosis
provided by World Register of Marine Species
Test elongate, slightly compressed, ovoid proloculus followed by a few uniserial and rectilinear chambers that are widely separated by long slender tubular necks, chambers with a narrow transverse flange at the widest part of the chamber a short distance above the base and extending laterally as short spines; wall calcareous, thin, translucent, finely perforate, surface smooth; aperture terminal at the end of the elongate tubular neck that is about as long as the main body of the chamber, rounded and bordered by a phialine lip. Holocene; Gulf of California. (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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