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File:Pennsylvanian invertebrates of the Mazon Creek Area, Illinois Eurypterida figure 49.jpg

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Description A particularly well-preserved and only partly compressed specimen of Adelophthalmus mazonensis (Meek and Worthen) from the Herdina collection (H-3); × 1.8. The ocellar mound and the short genal spines of the carapace are particularly well preserved.
Date
Source archive.org
Author Erik Norman Kjellesvig-Waering
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This work is in the public domain in the United States because it was published in the United States between 1931 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
The author died in 1979, so this work is also in the public domain in jurisdictions where the copyright term is the author's life plus 30 years or less. This work may also be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.

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Date/TimeThumbnailDimensionsUserComment
current13:03, 15 June 2011Thumbnail for version as of 13:03, 15 June 20111,698 × 2,312 (2.68 MB)Enomil{{Information |Description=Pennsylvanian invertebrates of the Mazon Creek Area, Illinois: Eurypterida. ''Fieldiana, Geology''. Vol. 12, No. 6 (1963), figure 49 |Source=[http://www.archive.org/details/pennsylvanianinv126kjel archive.org] |Date=1963 |Author

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