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Showing results for tags 'phylogeny'.
Found 20 results
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Clam fossils help calibrate phylogenic calculations​​​​​​​
Oxytropidoceras posted a topic in Fossil News
Clam fossils help scientists find errors in evolutionary tree calculations by Louise Lerner, University of Chicago, PhysOrg, Decemebr 2, 2021 Tha paywalled paper is: Nicholas M. A. Crouch et al, Calibrating phylogenies assuming bifurcation or budding alters inferred macroevolutionary dynamics in a densely sampled phylogeny of bivalve families, Proceedings of the Royal Society B: Biological Sciences (2021). DOI: 10.1098/rspb.2021.2178 Yours, Paul H. -
Help (or viability) on translating lineages into cladograms
Macrophyseter posted a topic in Questions & Answers
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- 28 replies
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- lineage
- anacladogenesis
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No modern phylogenetic analyses for extinct lamniformes?
Macrophyseter posted a topic in Questions & Answers
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... -
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.
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- systematics
- atlas
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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
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- phylogeny
- intramarginal ridges
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Sources on the relation between modern Lissamphibia and stem tetrapods
Mahnmut posted a topic in Questions & Answers
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 -
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
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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)
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- cretiscalpellum
- crustacea
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Fossils key to fulfilling Darwin's 160-year-old prediction
Oxytropidoceras posted a topic in Fossil News
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-
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baronrauhutezcurbrusatnaturedinosauLangerdbnormanat.2017.pdf Nature,november 2017,v.551 Untangling the dinosaur family tree. Max C. Langer, MartÃn 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
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- ornithoscelida
- methodology
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the diehard cladist will like this anyway,but there's slightly more to this article than just that bacomurici279193.pdf less than 1 Mb
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- marine
- systematics
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gamberwebetholpredat2018natossil.pdf
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schweidimorphzannohistoltheroptrexrep23099.pdf
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- integument
- reproduction
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Jmartin
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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
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- systematics
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richardsonbotanyChocolaphytogeoplylogfevo-03-00120.pdf
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A pretty useful capsule review of leaf shapes in ferns. Recommended?You betcha. vascofernleaveslaminbotanyreviewnfpls-04-00345.pdf outtake:
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- morphology
- phylogeny
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reasonably new,don't know if it's been posted yet http://www.pnas.org/content/113/13/3447.full.pdf
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- phylogeny
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BIG,BIG! http://rstb.royalsocietypublishing.org/content/royptb/249/757/101.full.pdf Might be gone soon,so take advantage of this post
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NB.:get it while you can(large file) http://rstb.royalsocietypublishing.org/content/royptb/281/979/29.full.pdf
