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Found 19 results

  1. When it comes to evolutionary lineages that tend to be represented by flow charts, would it be viable to also represent/reorganize them into hypothetical cladograms? Considering that flow charts continue to be used for certain lineages (i.e. Lamnidae), I am feeling the possibility that there might be something that makes the interpretation of such charts incompatible with cladograms. For example, below are evolutionary lineages for Isurus and Carcharodon per Heim (1996) and Canevet & Lebrun (2018) (left and right respectively) that I translated into possible cladograms. If this
  2. Taxonomic debate over extinct lamniformes remains a big thing, but I've noticed that it seems like there hasn't been any studies that use modern phylogenetic techniques (i.e. maximum parsimony) to resolve issues with extinct taxa (i.e. Carcharodon, Isurus, Macrorhizodus, Otodus). Is there a reason for this absence, or perhaps I simply have not come across one that already exists? I suppose it's possible that dental characteristics alone as character codes for a phylogenetic matrix may not be viable...
  3. Bicknell, R.D. and Pates, S., 2020. Pictorial atlas of fossil and extant horseshoe crabs, with focus on Xiphosurida. Frontiers in Earth Science, 8, p.1-60. PDF of above paper from Researchgate Other recent papers (PDF files) about Xiphosurida. Bicknell, R.D., Naugolnykh, S.V. and Brougham, T., 2020. A reappraisal of Paleozoic horseshoe crabs from Russia and Ukraine. The Science of Nature, 107(5), pp.1-17. Bicknell, R.D. and Smith, P.M., 2020. Patesia n. gen., a new Late Devonian stem xiphosurid genus. Palaeoworld.
  4. doushantuo

    Cyrtinopsis and Kozlowskiella

    PDF Th.F. Krans LEIDSE GEOLOGISCHE MEDEDELINGEN, Deel 47, Aflevering 1, pp. 99—113, 1-11-1971 The relation between the genera Cyrtinopsis Scupin, 1896 and Kozlowskiellina Boucot 1957 HIGHLY recommended,(no chauvinism involved,BTW) The underlined "from" is,in my opinion,a clear Dutchism,and probably should read "of" SIZE: 4,05MB
  5. Hello together, I am looking for papers about the relation between modern amphibians and stem tetrapods (this time not for model building purposes but for an academic paper I write on amphibians as model organisms ( I have the medical topics covered but wanted to include a bit of palaeontology). Also, is there any hint in the fossil record on limb regeneration like some modern amphibia can do? Thanks, J
  6. doushantuo

    advanced wasp systematics

    Illustrating phylogenetic placement of fossils using RoguePlots: An example from ichneumonid parasitoid wasps(Hymenoptera, Ichneumonidae) and an extensive morphological matrix Seraina KlopfsteinID1,2,3*, Tamara Spasojevic2,3 PLoS ONE 14(4): e0212942. https://doi.org/10.1371/journal.pone.0212942 edit14/7:keywords added pone.0212942.pdf
  7. doushantuo

    extant cirriped morphology

    GAL Andrew Scott Gale Phylogeny of the deep-sea cirripede family Scalpellidae (Crustacea, Thoracica) based on shell capitular plate morphology Zoological Journal of the Linnean Society, Volume 176, Issue 2, 1 February 2016, Pages 266–304, about 10 Mb emphasis: description(systematics/taxonomy) & depiction(see below)
  8. Fossils key to fulfilling Darwin's 160-year-old prediction December 12, 2018, University of Salford https://phys.org/news/2018-12-fossils-key-fulfilling-darwin-year-old.html The paper is: Beck R.M.D., and Baillie C. 2018. Improvements in the fossil record may largely resolve current conflicts between morphological and molecular estimates of mammal phylogeny. Proc. R. Soc. B. 285: 20181632. https://www.biorxiv.org/content/early/2018/07/20/373191 https://www.biorxiv.org/content/biorxiv/early/2018/07/20/373191.full.pdf https://ro
  9. doushantuo

    discussion and expert opinion

    baronrauhutezcurbrusatnaturedinosauLangerdbnormanat.2017.pdf Nature,november 2017,v.551 Untangling the dinosaur family tree. Max C. Langer, Martín D. Ezcurra, Oliver W. M. Rauhut, Michael J. Benton, Fabien Knoll, Blair W. McPhee, Fernando E. Novas, Diego Pol & Stephen L. Brusatte ARISING FROM M. G. Baron, D. B. Norman & P. M. Barrett Nature 543, 501–506 (2017); doi:10.1038/nature21700 0,470 Mb
  10. the diehard cladist will like this anyway,but there's slightly more to this article than just that bacomurici279193.pdf less than 1 Mb
  11. doushantuo

    Sue, is that you?

    schweidimorphzannohistoltheroptrexrep23099.pdf
  12. doushantuo

    cetacean phylogeny

    Jmartin
  13. here What NOT to expect: it's not a "pictorial atlas of...",far from it. Expect character matrices,cladograms. Any part dealing with ptychopariids might have been published already ,BTW
  14. doushantuo

    praline paleontology

    richardsonbotanyChocolaphytogeoplylogfevo-03-00120.pdf
  15. doushantuo

    Members of the Green Party

    A pretty useful capsule review of leaf shapes in ferns. Recommended?You betcha. vascofernleaveslaminbotanyreviewnfpls-04-00345.pdf outtake:
  16. doushantuo

    Tyrannosaurid cladistics

    reasonably new,don't know if it's been posted yet http://www.pnas.org/content/113/13/3447.full.pdf
  17. doushantuo

    Holocephali

    BIG,BIG! http://rstb.royalsocietypublishing.org/content/royptb/249/757/101.full.pdf Might be gone soon,so take advantage of this post
  18. doushantuo

    lungfish classic

    NB.:get it while you can(large file) http://rstb.royalsocietypublishing.org/content/royptb/281/979/29.full.pdf
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