References Cited

  • Alexander, R.R., 1984, Comparative hydrodynamic stability of brachiopod shells on currentā€scoured arenaceous substrates: Lethaia, v. 17, no. 1, p. 17–32.
  • Cressman, E.R., 1973, Lithostratigraphy and depositional environments of the Lexington Limestone (Ordovician) of central Kentucky: U.S. Geological Survey Professional Paper 768, 71 p.
  • Holland, S.M., Patzkowsky, M.E., Witzke, B.J., Ludvigson, G.A., and Day, J., 1996, Sequence stratigraphy and long-term paleoceanographic change in the Middle and Upper Ordovician of the eastern United States, in Witzke, B.J., Ludvigson, G.A., and Day, J., eds., Paleozoic sequence stratigraphy: Geological Society of America Special Papers 306, p. 117–130.
  • McFarlan, A.C., 1931, The Ordovician fauna of Kentucky, in Jillson, W.R., ed., Paleontology of Kentucky: Kentucky Geological Survey, ser. 6, v. 36, p. 49–165.
  • Walker, L.G., 1982, The brachiopod genera Hebertella, Dalmanella, and Heterothina from the Ordovician of Kentucky, in Pojeta, J., Jr., ed., Contributions to the Ordovician paleontology of Kentucky and nearby states: U.S. Geological Survey Professional Paper 1066-M, 17 p., 5 plates.
  • Weir, G.W., Peterson, W.L., Swadley, W C, and Pojeta, J., 1984, Lithostratigraphy of Upper Ordovician strata exposed in Kentucky: U.S. Geological Survey Professional Paper 1151-E, 121 p.
  • Williams, A., and Harper, D.A.T., 2000, Orthida, in Kaesler, R.L. (ed.), Treatise on Invertebrate Paleontology, Part H, Brachiopoda, Revised: Geological Society of America and University of Kansas Press, v. 3, p. 714–902.
  • Williams, A. and Wright, A.D., 1965. Orthida, in Moore, R.C. (ed.), Treatise on Invertebrate Paleontology, Part H, Brachiopoda: Geological Society of America and University of Kansas Press, p. 299–359.
  • Wright, D.F., and Stigall, A.L., 2013, Phylogenetic revision of the Late Ordovician orthid brachiopod genera Plaesiomys and Hebertella from Laurentia: Journal of Paleontology, v. 87, no. 6, p. 1107–1128.
  • Wright, D.F. and Stigall, A.L., 2014, Species-level phylogenetic revision of the Ordovician orthide brachiopod Glyptorthis from North America: Journal of Systematic Palaeontology, v.12(8), p.893–906.

 

 

 

 

 

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