Texasina austiana (Cushman, 1938)       

Class: Rotaliata  Subclass: Globigerinana  Order: Heterohelicida  Family: Heterohelicidae

found in material from the Miscellaneous Localities   Western Canada and USA   Canada   Nanaimo Group, British Columbia

Geological Time: Cretaceous  Upper Cretaceous  Santonian


the SEM image is provided by Dr. M. Dan Georgescu

View of a specimen of Texasina austiana (Cushman, 1938)

the identification may differ from that on WoRMS and is based on the publication mentioned below

The identification is based upon:
Georgescu, M. D., 2010: Origin, taxonomic revision and evolutionary classification of the late Coniacian-early Campanian (Late Cretaceous) planktic foraminifera with multichamber growth in the adult stage. in Revista Española de Micropaleontología, 42 (1). page 59-118. Plate 1, Fig. 9-13