. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 821 Pterophyllum spatulatum, {Pterozamites spatulatus^ 6 Emmons. American J} Geology, fig. 88.) Fontaine, Monograph U. S. Geological Sur- vey, Vol. 6, page 114, plate 53, fig. 6, a N- Carolina form, be- tween which and the Virginian P. ince- quale^ stands the Ger- man Liassic P. an- draeanum^ Schimper {P. longifolium An. drse) in a transitional ronh ^^^ 6 PI. 53 Series.—2>ms. Pterotheca expansa {Delthyris expansa ; m called be- ll T (9 ilS
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 821 Pterophyllum spatulatum, {Pterozamites spatulatus^ 6 Emmons. American J} Geology, fig. 88.) Fontaine, Monograph U. S. Geological Sur- vey, Vol. 6, page 114, plate 53, fig. 6, a N- Carolina form, be- tween which and the Virginian P. ince- quale^ stands the Ger- man Liassic P. an- draeanum^ Schimper {P. longifolium An. drse) in a transitional ronh ^^^ 6 PI. 53 Series.—2>ms. Pterotheca expansa {Delthyris expansa ; m called be- ll T (9 ilSl^ cause supposed to be a n-b ^.^>f^ifMtM^^KI^^msm^ brachiopod; it was on the contrary a pteropod shell.) Emmons, page 397, fig. 109, 2. Black River and Tren- ton formations, II c. Pterotheca {Clioderma) saffordi, Hall. 14th An. Rt. 18 61, p. 96. 15th Annual Report,1862, plate 8, figs. 15, in- terior view, showing broad septum; 16, cross section, show- ing form and extent of internal cavity? 18, lengthwise sec- lion, with outline of margin. Trenton ionnation^ II c. Hall. J^f/vT^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lesley, J. P. (J. Peter), 1819-1903; Pennsylvania. Board of Commissioners for the Second Geological Survey. Harrisburg, Board of Commissioners for the Geological Survey
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