Rotaliata Subclass: Globigerinana Order: Heterohelicida Family: Heterohelicidae
found in California USA
La Jolla section (San Diego County, California, US)
Geological Time: Cretaceous Upper Cretaceous
Specimen No. 48283 in the collections of the UCMP
View of a specimen of Bifarina douglasi Sliter, 1968
Imaged by Ken Finger, Dawn Peterson, and Karen Wetmore.
The identification is based upon:
CalPhotos, 2017: Regents of the University of California, Berkeley. Accessed on February 10, 2017. Available online at: http://calphotos.berkeley.edu/ Plate n.a., Fig. n.a.