none
Geological Time:
holotype
View of a specimen of Cassidelina spinescens (Cushman, 1911)
The identification is based upon:
, : Cushman, J. A. (1911). A monograph of the Foraminifera of the North Pacific Ocean. Part II. Textulariidae. Bulletin of the United States National Museum. 71(2): 1-108. Plate , Fig.