none
Geological Time:
holotype
View of a specimen of Chubbinella cardenasensis (Barker & Grimsdale, 1937)
The identification is based upon:
, : Barker, R. W.; Grimsdale, T. F. (1937). Studies of Mexican fossil Foraminifera. Annals and Magazine of Natural History, ser. 10. 19: 161-178. Plate , Fig.