TORTOPLECTELLA Loeblich and Tappan. 1985

 

 

Type species: Textularia crispota Brady. 1884 (*344), p. 359: OD.

Tortoplectella Loeblich and Tappan, 1985(*1925). p. 113.Test free, flaring in side view, quadrangu­lar in section but rhomboid rather than rectangular, sides flattened, the distinctly angular posterior and lateral chamber margins resulting in a serrate test outline: chambers biserially arranged throughout: sutures slightly de-pressed; wall calcareous. hyaline oblique (optically granular), very thin. distinctly and coarsely perforate except for a narrow imper­forate region adjacent to the aperture, perfo­rations irregularly arranged and of varied size, wall surface smooth and polished; aperture an areal slit, commencing a slight distance above the base of the rhomboid apertural face near one edge and extending obliquely upward across the apertural face toward its midpoint, bordered by a distinct lip but not elevated on a neck. Holocene: Raine Island. Torres Straits, Coral Sea, at about 283 m: Rongelap, Marshall Islands, at 80 m to 300 m: W. Indian Ocean, off Mozambique, from 05 m to 3.7 m.