Spiroplecta ultimatamida (White, 1929)       

Class: Rotaliata  Subclass: Globigerinana  Order: Heterohelicida  Family: Heterohelicidae
Occurrence in  unknown  Mexico   Mexico and Middle America   North America

Age: Cretaceous  Upper Cretaceous  

View of Spiroplecta ultimatamida (White, 1929)
holotype

REPOSITORY: American Museum of Natural History, NY
Microfossil Type Catalog Number: AMNH-FI-53009

Courtesy of AMNH, Invertebrate Paleontology, New York

REFERENCE: White, M. P., 1929.
Some Index Foraminifera of the Tampico Embayment Area of Mexico. Part III
Journal of Paleontology. V.3, N.1 Pl.4, F.13