Classification Phylum: Bryozoa Class: Stenolaemata Order:  Cyclostomata Genus: Cuffeyella Species: Cuffeyella arachnoidea (Hall, 1847) Stratigraphic Occurrences Geographic Occurrences [leaflet-map lat=39 lng=-84.5 zoom=7 width=575 height=250 align=”right”] Map point data provided by iDigBio. Identification in Hand Sample Zoarium Morphology: Completely encrusting colonies Zoecia: Rounded …

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Alexander, R.R. 1983. Comparative hydrodynamic stability of brachiopod shells on current-scoured arenaceous substrates. Lethaia, vol. 17, p. 17-32. Amsden, T.W. 1983. The Late Ordovician brachiopod genera Lepidocyclus and Hiscobeccus. Upper Bromide Formation and Viola Group (Middle and Upper Ordovician) in …

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Rocks of Late Ordovician age are exposed in a circular outcrop belt throughout the Cincinnati region, including southwestern Ohio, northern Kentucky, and southeastern Indiana. During the Late Ordovician, sea level was higher than present, and much of North America was …

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Welcome to the Digital Atlas of Ordovician Life in the Cincinnati Arch region which includes Southwestern Ohio, Southeastern Indiana, and Northern Kentucky.  The sedimentary rocks of this region include a diverse fauna of over 470 genera and over 1200 species …

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