none
Geological Time: Quaternary Holocene recent
holotype
View of a specimen of Planulina sinuosa (Sidebottom, 1918)
The identification is based upon:
, : Sidebottom, H. (1918). Report on the Recent Foraminifera dredged off the east coast of Australia. H.M.S. "Dart", Station 19 (14 May, 1895), Lat. 29° 22', Long. 153° 51' E., 465 fathoms. Pteropod ooze - concluded. Journal of the Royal Microscopical Society. 1918: 249-264. Plate , Fig.