Diagnosis
provided by World Register of Marine Species
Test narrow and elongate, chambers stated to be at first quinqueloculine, then triloculine, and finally biloculine as in Pyrgo, laterally compressed between chambers in contrast to the compression through the midpoint of opposing chambers as in Pyrgo; wall calcareous, imperf orate, porcelaneous; aperture terminal, rounded to ovate, without a tooth, may be bordered by a lip. Holocene; N. and S. Pacific. (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.
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
