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  1. White shark genome reveals ancient elasmobranch …

    వెబ్17, డిసెం 2018, · Comparative analysis of white shark, whale shark, chimaera, and several nonchondrichthyan vertebrate genomes reveals positive selection and enrichment of gene functional categories and …

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  3. Shark genomes provide insights into elasmobranch evolution and …

  4. An early chondrichthyan and the evolutionary …

    వెబ్3, జన 2018, · The widely discussed Lower and Middle Devonian sharks Doliodus and Pucapampella branch from close to the apex of the …

    • రచయిత: Michael I. Coates, John A. Finarelli, Ivan J. Sansom, Plamen S. Andreev, Katharine E. Criswell, Kath...
    • Publish Year: 2018
  5. వ్యక్తులు వీటిని కూడా అడిగారు
  6. Changes in Shark Classification - elasmo-research.org

    వెబ్Interrelationships among the various elasmobranch orders can be represented in a branching diagram called a "cladogram". Each bifurcating branch on a cladogram indicates an evolutionary split, or …

  7. Molecular and Morphological Analyses Reveal …

    వెబ్13, ఏప్రి 2015, · To reclassify the dasyatid species, especially Himantura and Pastinachus, the morphological characters used in previous taxonomic keys on sharks and rays [1, 2, 5, 18–20] were …

  8. Cladistics - ReefQuest Centre for Shark Research Home

    వెబ్With the advent of cladistics and powerful new tools like molecular systematics, how sharks are classified and relate to one another — even the very definition of what a shark is — have all undergone major …

  9. Shark Phylogeny: A Phylogeny Tree for Sharks

    వెబ్Learn how sharks are classified into two major lineages, Squalea and Galeomorphii, based on cladistics and synapomorphies. See the shark phylogeny tree and the nested groups of sharks, rays, and chimaeras.

  10. Origin and Evolution of the "Hammer"

    వెబ్The cladogram (branching diagram) below is based on one Martin presented in a short 1993 paper. It shows the branching sequence of the eight hammerhead taxa sampled and the average head width …

  11. Phylogenetics Laboratory: Reconstructing Evolutionary History

  12. Evolution, diversity, and disparity of the tiger shark lineage