Invertebrate Megafauna of the Middle Devonian of Missouri |
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2nd Series Amer aperture Atrypa missouriensis Biofacies aulos Auxvasse Creek beak Biofacies at Ca-31b Branson Callaway specimens callawayensis sp camerae Cedar Valley Limestone City Quadrangle Conch convex corallites corallum costae county road Cranaena Creek Description Devonian Cedar Valley Devonian Cedar Valley-Missouri dissepimentarium dissepiments dorsal dorsum E. C. Stumm figs Fossils of North Geol growth lines H. W. and R. R. Hall pl Hexagonaria lativentra Biofacies Hexagonaria profunda Biofacies Holotype Index Fossils Iowa iowensis Jour living chamber longitudinal margin medially Michelinoceras Middle Devonian Cedar Mineola Missouri Pacific Railroad Montgomery City N. Y. Nat North America Devonian Occurrence ornamentation Paleo pedicle valve Pentamerella phragmacone Plate posterior pygidium R. R. Shrock Ralls County Remarks Repository septa Shell Shimer sinus siphuncle slightly species Stachyodes Biofacies striae Strophodonta Biofacies surface sutures SW Sec synonymy to date tabulae tabularium transverse Treatise on Invertebrate Type Invertebrate Fossils Univ venter ventral zone