Figure 3.4-8. Cibicidoides barnetti (Bermúdez), 1949. 3.4. Spiral view. Holotype. Middle Oligocene. Sombrerito Formation, Dominican Republic, Benefactor Province, Canada Gerinaldo. Smithsonian Collection. USNM 62546. 3.5. Umbilical view. Holotype. Scale Bar = 190 microns. 3.6. Umbilical view. Oligocene. ODP Leg 184, Site 1148A, 33X-3, 70-72cm. Scale Bar = 117 microns. 3.7. Spiral view. Oligocene. ODP Leg 184, Site 1148A, 33X-3, 70-72cm. Scale Bar = 112 microns. 3.8. Apertural view. ODP Leg 184, Site 1148A, 33X-3, 70-72cm. Scale Bar = 111 microns.