Description Image source: Todd, R. 1965. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”, 1899-1900. Part 4. Rotaliform families and planktonic families [End of Volume]. Bull. U.S. Nation. Mus 161: v+139 pp.+28 pls.
Identified by Todd (1965) as A. radiata (pl. 14 fig. 1-3), not A. radiata Opinion of Hallock Muller (2019) pers. comm.: " I don't think any of these are A. radiata; 1 may be A. bicirculata, 2. A. papillosa, and 3 is A. bicirculata"