The Oriskany Fauna of Becraft Mountain, Columbia County, N.Y. |
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Acidaspis arenaceous Oriskany attains Becraft mountain becraftensis beds brachial valve brachiopods Brachyprion calcareous Camarotoechia cephalon character chert Chonetes Chonostrophia Clarke Coelospira Coeymans concentric lines Conrad convex Cordania Cryptonella Cyrtoceras Dalmanites del James Devonic Diaphorostoma Dorsal dryope Eatonia elongate expansus exterior figures see Paleontology formation fossils furrows Gaspé genus glabella H.-idem Hall Plate Hamilton Hederella Helderberg Helderbergian Helderbergian species hudsonica interior internal cast lata Leptocoelia flabellites Leptostrophia lobes logani Manlius Manlius limestone margin median Megambonia Meristella Mesodevonic multistriata murchisoni Niagaran oblata Odontocephalus Onondaga limestone ORISKANY FAUNA Oriskany sandstone ornament Paleontology pedicle-valve showing Phacops Pholidops Platyceras plications posterior Proetus Pterinopecten pygidia pygidium radial radii Rensselaeria represented ribs ridge right valve rock sandstone Schoharie counties Schoharie grit sedimentation shales shaly shell Siluric sinus slope specimens stemmatus strata striae Stropheodonta surface Synphoria Tentaculites elongatus Trematospira Trilobites tubercles Ulsterian upper Vanuxem Vermipora waterlimes York