. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Aspinwall and Clover Hill, in sandstone (with Clathopteris)^ probably between main and lower coals.— Trias. Lophodus in the Black Foss. limestone^ 250' below Pittsburgh coal bed, Fayette Co. Report L, p. 36. Pittsburg series^ or Barren Measures,—XIY. Lophophyllum {Streptelasma) proliferum. (Cyathaxonia ^.j. prolifera^ McChesney. New Pal. Foss. Coal Measures, 1860.) CoUett's Indi- ana Report of 1883, page 118, plate 23, fig. 6, natural size^ side view, upper p
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Aspinwall and Clover Hill, in sandstone (with Clathopteris)^ probably between main and lower coals.— Trias. Lophodus in the Black Foss. limestone^ 250' below Pittsburgh coal bed, Fayette Co. Report L, p. 36. Pittsburg series^ or Barren Measures,—XIY. Lophophyllum {Streptelasma) proliferum. (Cyathaxonia ^.j. prolifera^ McChesney. New Pal. Foss. Coal Measures, 1860.) CoUett's Indi- ana Report of 1883, page 118, plate 23, fig. 6, natural size^ side view, upper portion compressed, making it look wider than usual; fig. 7, another with the cup broken so as to show the cen- tral cup-cone (columella.) Specimens vary in their proportions. Species very common in all the western coal measures. A slenderer form is called by Wor- then Cyathaxonia distorta ; a robuster form by CoUett Lopho- phyllum sauridens.—XIII-XY. Common throughout the Coal measures. Collett. — It has been found in the Ferriferous limestone of the Allegheny Coal series, in N. Butler Co. ( 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
Size: 1737px × 1438px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
