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A Calcareous foraminifera in the Brownwood shale near Bridge
B Foraminifera of the Cisco group in Texas by J A Cushman
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1928 Genoholotype Ammobaculites apertural view aperture aperture formed Archer County arenaceous forms biserial Brownwood Bunger limestone calcareous Carboniferous Cisco close coiled coarsely arenaceous Coleman County compressed Contrib Cornuspira Cushman and Waters Cushman Lab d'Orbigny Diameter early chambers early portion Endothyra Endothyranella fauna figs foraminifera genera Genoholotype Genus Geol Globivalvulina Glomospira Graham formation Gunsight limestone H. B. Brady Harlton Hemigordius Holotype Hyperammina Hyperamminoides imperforate Jack County Jacksboro Journ limestone on Salt megalospheric forms microspheric form miles northeast Nodosinella open end Orthovertella Paratype Pennsylvanian Permian planispiral Salt Creek west sample station shale member shell wall Side view slightly smoothly finished South Bend shale Special Publ species specimens Spiroplectammina station is located Stephens County surface tapering Test attached Test elongate Test free Tetrataxis Texas Textularia Trochammina tubular chamber tubular second chamber types uniserial wall arenaceous wall finely arenaceous Waters Pi Wayland shale west of Graham whorl Young County