The Fauna of the Ripley Formation on Coon Creek, Tennessee, Issue 137 |
Other editions - View all
Common terms and phrases
Acad altitude anteriorly aperture axial costae Back view Baculites beak body whorl callus canal catalog Collection columella Conrad constricted convex Coon Creek Cossmann Dave Weeks place describes this species dorsal elevated elongate Exogyra Exogyra costata zone exterior view external surface fasciole fauna figs Figures fossils FOSSILS FROM COON front view Gabb Gardner gastropods genus inner lip excavated Jersey Geol left valve Maryland Geol Matawan maximum diameter McNairy County medial Meek millimeters Morton narrow oblique Occurrence Ostrea outer lip outline Owl Creek Paleontology parietal wall Philadelphia Proc place on Coon posteriorly Prince Georges County protoconch ribs ridges right valve Ripley formation RIPLEY FOSSILS rounded Seat Pleasant Shell of medium slightly slope species as follows specimens spiral sculpture spire suture Tenn Tennessee Tippah County U. S. Geol U. S. Nat U. S. National Museum umbones Upper Cretaceous Vanderbilt University ventral margin volutions Wade Weller Whitfield zooecia