. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. XI. Pleurophorus quadricostatus, Dawson, Acad. Geology, ,07 1868, page 304, fig. 107, a curiously shaped small shell of the Carboniferous limestone of 304. Nova Scotia.—XI. Pleurophorus subcostatus. Meek and Worthen, Proc. Acad. Nat. Sci. Phil., 1865. M. & W., Geo. Sur. 111., Vol. 2, 1873, page 347, plate 27, figs. 2, side view of internal cast, showing muscular and pallial impressions, and of long hind hinge-tooth; 2 <^, back of same. Apparently relat
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. XI. Pleurophorus quadricostatus, Dawson, Acad. Geology, ,07 1868, page 304, fig. 107, a curiously shaped small shell of the Carboniferous limestone of 304. Nova Scotia.—XI. Pleurophorus subcostatus. Meek and Worthen, Proc. Acad. Nat. Sci. Phil., 1865. M. & W., Geo. Sur. 111., Vol. 2, 1873, page 347, plate 27, figs. 2, side view of internal cast, showing muscular and pallial impressions, and of long hind hinge-tooth; 2 <^, back of same. Apparently related to the English P. costatus of Brown (sp.) among King's Permian fossils (plate 15), but shows differences. Perhaps identical with P. subcuneatus, Meek & Hayden, Per mian.^ {Permo- Carboniferous) beds of Kansas, but grew much larger and has a distinct sinuous base. Gallatin Co., 111. Up- per Coal measures. XV. Pleurophorus tropidophorus. Meek, Pal. Ohio, Vol. 2, 1875, page 338, plate 19, fig. 10 a, cast of outside of right valve; 5, cast of inside of left valve, with impres- sions of side teeth; strikingly like Cypricardia striatolamellosa^De Koninck, An- Foss. Carbon. Belgium, but without its deeplunule, etc. XIII. Pleurophorus .^ In the Barren measures., 250' beneath the Pittsburgh coal bed. K3, p. 310, L, p. S6,— 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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