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All, Please excuse the cross-posting but I thought this thread might be of some interest to PaleoNet subscribers. As a more or less final contribution to a vrtpaleo thread regarding the validity of the plesiosaur, _Cimoliasaurus magnus_ , I've added the last relevant note by Joesph Leidy (naming Brimosaurus grandis Leidy 1854) as an ePaper at: http://www.oceansofkansas.com/Leidy1854.html. I have also added recent (last week) photographs of the type specimens of _Cimoliasaurus magnus_Liedy 1851: http://www.oceansofkansas.com/Leidy/cimolia1.jpg ...and _Discosaurus vetustus_ Leidy 1851: http://www.oceansofkansas.com/Leidy/discosa2.jpg For those that are interested in reading the original notes as ePapers, the chronological sequence of papers regarding the discovery, naming, reconstruction and subsequent controversy regarding American plesiosaurs from _Cimoliasaurus magnus_Liedy 1851 and _Discosaurus vetustus_ Leidy 1851 through _Elasmosaurus platyurus_ Cope 1868 is roughly as follows: Leidy, J., 1851. [Descriptions of a number of fossil reptilian and mammalian remains]. Proc. Acad. Nat. Sci. Phila. 5:325-327. (_Cimolisaurus magnus_ and _Discosaurus vetustus_) http://www.oceansofkansas.com/Leidy1851.html Leidy, J., 1854. [Remarks on exhibiting to the Society four vertebrę of a huge extinct Saurian from Arkansas]. Proc. Acad. Nat. Sci. Phil., 7(3):72, pl. II. (_Brimosaurus grandis_; meeting of May 23, 1954) http://www.oceansofkansas.com/Leidy1854.html Leidy, J., 1865. Memoir on the extinct reptiles of the Cretaceous formations of the United States. Smithsonian Contrib. Knowl. XIV (6) 1-135, pls. I-XX. (Section on _Cimolisaurus magnus_ and _Discosaurus vetustus_) http://www.oceansofkansas.com/Leidy1865.html Cope, E. D., 1868. Letter describing _Elasmosaurus platyurus_. in LeConte, J. L., 1868. Notes on the geology of the survey for the extension of the Union Pacific Railway, E. D., from the Smoky Hill River, Kansas, to the Rio Grande. Review Printing House, Philadelphia, 76 p. with folded map. http://www.oceansofkansas.com/LeConte68.html Cope, E. D., 1868. Remarks on a new enaliosaurian, _Elasmosaurus platyurus_. Proc. Acad. Nat. Sci. Phil., 20:92-93. (meeting of March 24, 1868 - First report of the plesiosaur, _Elasmosaurus platyurus_) http://www.oceansofkansas.com/cope1868.html Cope, E. D., 1868. On a new large enaliosaur. Amer. Jour. Sci. ser. 2, 46(137):263-264. (Summary of Academy of Science article) http://www.oceansofkansas.com/cope1868a.html Cope, E. D., 1868. [On the structure of the vertebral column in _Elasmosaurus_]. Proc. Acad. Nat.Sci. Phil., 20:181. (meeting of July 14, 1868) http://www.oceansofkansas.com/Cope1868b.html ---------------------------------------------------------------- Cope, E. D., 1869. Synopsis of the Extinct Batrachia and Reptilia of North America, Part I. Trans. Amer. Phil. Soc. New Series, 14:1-235, 51 figs., 11 pls. (pre-print dated August, 1869) ---------------------------------------------------------------- Cope, E. D., 1869. (A resolution thanking Dr. Theophilus Turner for his donation of the skeleton of _Elasmosaurus platyurus_). Proc. Acad. Nat. Sci. Phil., 20:314. (Meeting of December 15, 1868) http://www.oceansofkansas.com/Cope1869.html Leidy, J., 1870. (Remarks on _Elasmosaurus platyurus_). Proc. Acad. Nat. Sci. Phil. 22:9-10. (meeting of March 8, 1870) Leidy criticizes Cope's reconstruction of _Elasmosaurus_ and states that Cope had put the head on the wrong end. http://www.oceansofkansas.com/Leidy1870.html --------------------------------------------------------------- By late April of 1870, Cope had redescribed _Elasmosaurus platyurus_ and published the new description and figures in: Cope, E. D., 1870*. Synopsis of the extinct Batrachia and Reptilia of North America. Trans. Amer. Philos. Soc., (n.s.) 14:1-252 + i-viii, 55 figs., 14 pl. (*Revision of Cope, 1869, same title, with publication dated listed as August, 1869, published after March, 1870) --------------------------------------------------------------- Leidy, J., 1870. On the _Elasmosaurus platyurus_ of Cope. Amer. Jour. Sci. ser. 2, 49(147):392. (May meeting) (Leidy criticizes Cope's reconstruction) http://www.oceansofkansas.com/Leidy1870a.html Leidy, J., 1870. On _Discosaurus_ and its allies. Amer. Jour. Sci., ser. 2, 50(148):139-140. http://www.oceansofkansas.com/Leidy1870b.html Cope, E. D., 1870. On _Elasmosaurus platyurus_ Cope. Amer. Jour. Sci., ser. 2, 50(148):140-141. (A reponse to Leidy's criticism) http://www.oceansofkansas.com/Cope1870a.html Cope, E. D., 1870. Additional note on _Elasmosaurus_. Amer. Jour. Sci., ser. 2, 50(149):268-269. (A second response to Leidy) http://www.oceansofkansas.com/cope1870b.html Following Cope's "Additional note" in 1870, the battle regarding _Elasmosaurus_ was essentially over until the sensationalized newspaper articles in the New York Herald in January of 1890: Ballou, W. H., 1890. [Statements by O. C. Marsh and E. D. Cope regarding the "head on the wrong end" Elasmosaurus]. New York Herald, January 19 and 20, 1890, Vol. 19(No. 508 and 509):pages 11 and 3 respectively, as part of a series by William Ballou. http://www.oceansofkansas.com/NYHerald.html Regards, Mike Everhart Adjunct Curator of Paleontology Sternberg Museum of Natural History Fort Hays State University, Hays, KS http://www.oceansofkansas.com ePapers on the Web http://www.oceansofkansas.com/ePapers.html)
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