Foraminifera taxon details
original description
Andersen, H. V. (1951). Two new genera of Foraminifera from Recent deposits of Louisiana. <em>Journal of Paleontology.</em> 25: 31-34. page(s): p. 32 [details] Available for editors [request]
additional source
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
From editor or global species database
Diagnosis Test planispiral, bilaterally symmetrical, and bi-involute, chambers increasing gradually in size as added, very slightly inflated, sutures radial, curved, and slightly depressed, umbilicus covered with a plate that radiates along the sutures about halfway to the periphery, a similar plate extends across the base of the apertural face to enclose a small chamberlet over the aperture; wall calcareous, finely perforate, very thin, and hyaline, surface smooth except for the umbilical and sutural plates; primary aperture interiomarginal and equatorial, obscured by the apertural chamberlet, accessory openings along the margins of the sutural plates, two larger ones at the upper margin of the apertural chamberlet cover plate. Holocene; USA: Louisiana. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
|