A Monograph of the Molluscan Fauna of the Orthaulax Pugnax Zone of the Oligocene of Tampa, FloridaIn the vicinity of Tampa Bay, Florida, and especially on the northwestern shores of the bay, near Ballast Point, are found certain limestones more or less mingled with layers of clay, marl, and chert, with residual sands and so-called "fuller's earth." This work attempts to illustrate some of these fossil materials. |
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Acad Alum Bluff anal fasciole aperture Arca arcuate axial sculpture Ballast Point ballista bed at Alum beds at Ballast Bolten Boltenianum Brit Bulimulus Burns Calhoun County callus Cardium Cerithium Chattahoochee River Chipola marl Chipola River chipolana Conch Conchyl Conrad Dall Drillia E. J. Post Eulima fauna Florida floridana fossils Gabb Genus Geol Gmelin Gray Heilprin Hist incremental lines Journ Lamarck last whorl limestone Linnaeus lower bed Marginella maximum diameter Melanella Miocene Modiolus Moll Montfort MÖRCH Murex narrow nucleus Oak Grove Oligocene ORTHAULAX PUGNAX ZONE outer lip Phila pillar Plate 12 Post collection posterior Proc Prodrome ribs rounded Shell small slightly smooth Sole example Sowerby species specimen spiral sculpture spiral threads spire Subgenus subsequent whorls sulcus suture Swainson Syst Tampa Bay Tampa silex beds tampaënsis Tellina Trans Turritella Type Type-specimen U. S. Nat valve varices Voluta Wagner Inst wider interspaces Willcox Zool