Sigillaria

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Note on some fossil plants from northern China
J. S. Newberry

American Journal of Science August 1883, s3-26 (152) 123-127; DOI: https://doi.org/10.2475/ajs.s3-26.152.123
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Extension of the Carboniferous formation in Massachusetts
W. O. Crosby and G. H. Barton

American Journal of Science November 1880, s3-20 (119) 416-420; DOI: https://doi.org/10.2475/ajs.s3-20.119.416
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On some dark shale recently discovered below the Devonian limestones at Independence, Iowa; with notice of the fossils at present known to be in it
S. Calvin

American Journal of Science June 1878, s3-15 (90) 460-462; DOI: https://doi.org/10.2475/ajs.s3-15.90.460
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Notes on the Vespertine strata of Virginia and West Virginia
William M. Fontaine

American Journal of Science February 1877, s3-13 (74) 115-123; DOI: https://doi.org/10.2475/ajs.s3-13.74.115
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Extracts from the address of George Bentham
George Bentham

American Journal of Science November 1870, s2-50 (150) 325-335; DOI: https://doi.org/10.2475/ajs.s2-50.150.325
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On the flora of the Devonian period in northeastern America
J. W. Dawson

American Journal of Science May 1863, s2-35 (105) 311-319; DOI: https://doi.org/10.2475/ajs.s2-35.105.311
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On some questions concerning the coal formations of North America
Leo Lesquereux

American Journal of Science November 1860, s2-30 (90) 367-384; DOI: https://doi.org/10.2475/ajs.s2-30.90.367

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