Monograph of the Palaeontographical Society, Volume 59, Issues 278-282Palæontographical society, 1905 - Paleontology |
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Abactinal Actinal Ammonites anagenesis angle aperture Atherfield Avicula Brachiopoda Bradford Abbas breadth Brit British Museum Buckman Cambridge Greensand Carboniferous carina characters Clay Coll concave convex Cornbrash costæ costate Crét Cretaceous d'Orbigny Date of Existence Description disc distinct Dixon's Geology dorsal Dorset DUMORTIERIA F. J. Pictet Fauna figs FONTANNESIA Forbes Foss Fossil Fossil Bed genus Geol GERVILLIA Gloucestershire hemera Hudleston Jurassic last whorl latumbilicate left valve length limestone Localities and Strata Lower Greensand Lycett Macrocephalites madreporite magnified 4 diameters margin Monogr Moorei Museum of Practical oblique ornament ossicles Penn Wood PENTACEROS periphery PERNA portion Posterior ear Practical Geology Prof Pseudoptera PTERIA Public Library radial radialia ribs right valve Scarborough Sedgwick Museum shell slightly smooth Sowerby species specimen figured spiral supero-marginal plates Suppl surface Sussex sutures Terr title-page umbilical umbilicus umbo Upper Chalk Upper Greensand ventral دو