Botellina Carpenter, Jeffreys & Thompson 1870

Test free, large, 3 mm in breadth, broken specimens suggesting a total length of up to 25 mm, rounded proloculus followed by elongate tubular, nearly parallel-sided undivided chamber that may be of less diameter than the proloculus; wall agglutinated, compact, and firmly cemented, of quartz grains and commonly with sponge spicules that may protrude into the chamber cavity; aperture terminal, rounded; may be somewhat constricted. Holocene; N. Atlantic, from 835 m to 913 m depth. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)