 Branches and branchleis plumose, the pinnules rising alternately on opposite sides of the branches: celluliferous on one fuce only: branches cylindrical or flattened. Substance corneous, dense; apparently smooth exteriorly, or corrugated by compression...  Figures and Descriptions of Canadian Organic Remains - Page 139by John William Salter, James Hall, Geological Survey of Canada, Elkanah Billings, Thomas Rupert Jones, John Vaughan Thompson - 1865Full view - About this book
 | Henry Alleyne Nicholson - Graptolites - 1872 - 164 pages
...GENUS PTILOGRAPSUS, Hall.—" Frond plant-like, rooted ? simple or branching. Branches and branchlets plumose, the pinnules rising alternately on opposite...corneous, dense ; apparently smooth exteriorly, or cormgated by compression, or during fossilisation. " — (Hall, Grapt. Quebec Group, p. 139.) Ptilograpsus... | |
 | Academy of Science of St. Louis - Science - 1886 - 1060 pages
...Remains, decade г, lS6$.) "Frond plant-like, rooted(?), simple, or branching. Branches and branchlets plumose, the pinnules rising alternately on opposite...corrugated by 'compression, or during fossilization." Of this genus, the following beautiful species is preserved in the rocks of the Niagara formation at... | |
 | United States National Museum - Science - 1909 - 878 pages
...given by Hall (1865) as follows: Frond plantllke, rooted? simple or branching. Branches and branchleis plumose, the pinnules rising alternately on opposite sides of the branches: celluliferous on one fuce only: branches cylindrical or flattened. Substance corneous, dense; apparently smooth exteriorly,... | |
 | Elvira Wood - Crinoidea, Fossil - 1909 - 320 pages
...Hall (1865) as follows: Frond piantllke, rooted? simpie or branching. Branches nnd branchlets pinmose, the pinnules rising alternately on opposite sides of the branches; celluliferous on one fuce only; branches cylindrical or flattened. Substance corneous, dense; apparently smooth exteriorly,... | |
 | Ray Smith Bassler - 1908 - 532 pages
...given by Hall (1865) as follows: Frond plantlike, rooted? simple or branching. Branches and bnmchlets plumose, the pinnules rising alternately on opposite...one face only; branches cylindrical or flattened. Siibstam* corneous, dense; apparently smooth exteriorly, or corrugated by compression or during fossilization.... | |
 | Science - 1909 - 110 pages
...brnnchlets piumoso, the pinnules rising alternately on opposite sides of the branches; ct'lluliferous on one face only: branches cylindrical or flattened....exteriorly, or corrugated by compression or during fossilisation. Genotype. — Ptilograptus plumosus Hall. Tetragraptus zone of tQuebec group in Canada.... | |
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