Ammobaculites venustus Loeblich and Tappan, 1950       

Class: Rotaliata  Subclass: Textulariana  Order: Lituolida  Family: Lituolidae
Taxon Profile

found at an  unknown  
Butte County, South Dakota  Midwestern USA   North America

Geological Time: Jurassic  Upper Jurassic  Oxfordian

holotype

classification and image courtesy of
Smithsonian Institution National Museum of Natural History

View of a specimen of Ammobaculites venustus Loeblich and Tappan, 1950

The classification is published in:
SINMNH Department of Paleobiology Collections Online Catalog as USNM PAL 104927
accessed 2013