KUKU

KU ScholarWorks

  • myKU
  • Email
  • Enroll & Pay
  • KU Directory
    • Login
    View Item 
    •   KU ScholarWorks
    • Dissertations and Theses
    • Dissertations
    • View Item
    •   KU ScholarWorks
    • Dissertations and Theses
    • Dissertations
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Integrating Molecular Evolution and Morphology to Study the Evolutionary History of Lizardfishes and Their Allies

    Thumbnail
    View/Open
    Davis_ku_0099D_10689_DATA_1.pdf (26.75Mb)
    Issue Date
    2009-12-17
    Author
    Davis, Matthew P.
    Publisher
    University of Kansas
    Format
    216 pages
    Type
    Dissertation
    Degree Level
    Ph.D.
    Discipline
    Ecology & Evolutionary Biology
    Rights
    This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.
    Metadata
    Show full item record
    Abstract
    Evolutionary relationships of the Aulopiformes (Euteleostei: Cyclosquamata) are investigated from a molecular and total evidence approach that includes previous morphological datasets. Molecular and total evidence analyses recover Aulopiformes as monophyletic and sister to a monophyletic Ctenosquamata, supporting the monophyly of Eurypterygii with molecular data. The divergence times of Aulopiformes are estimated utilizing a Bayesian approach in combination with knowledge of the fossil record of teleosts. Also the character evolution of deep-sea evolutionary adaptations is explored. The stem species of the aulopiforms arose during the Early Cretaceous, and possibly Late Jurassic in a marine environment with separate sexes, and laterally directed, round eyes. Tubular eyes have arisen independently at different times in three deep-sea pelagic predatory aulopiform lineages. Simultaneous hermaphroditism evolved a single time in the stemspecies of the superfamily Alepisauroidei, the clade of deep-sea aulopiforms. The BiSSE likelihood model was implemented to explore whether simultaneous hermaphroditism is affecting diversification rates within lizardfishes. The evolution of simultaneous hermaphroditism or any other codistributed character does not seem to be influencing rates of speciation or extinction. An asymmetry in rate of character change is not found to be statistically significant, however there is some evidence that this asymmetry may explain why the preponderance of aulopiform taxa are simultaneous hermaphrodites.
    URI
    http://hdl.handle.net/1808/7391
    Collections
    • Dissertations [4473]
    • Ecology & Evolutionary Biology Dissertations and Theses [351]

    Items in KU ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.


    We want to hear from you! Please share your stories about how Open Access to this item benefits YOU.


    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

    Browse

    All of KU ScholarWorksCommunities & CollectionsThis Collection

    My Account

    LoginRegister

    Statistics

    View Usage Statistics

    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

    The University of Kansas
      Contact KU ScholarWorks
    Lawrence, KS | Maps
     
    • Academics
    • Admission
    • Alumni
    • Athletics
    • Campuses
    • Giving
    • Jobs

    The University of Kansas prohibits discrimination on the basis of race, color, ethnicity, religion, sex, national origin, age, ancestry, disability, status as a veteran, sexual orientation, marital status, parental status, gender identity, gender expression and genetic information in the University’s programs and activities. The following person has been designated to handle inquiries regarding the non-discrimination policies: Director of the Office of Institutional Opportunity and Access, IOA@ku.edu, 1246 W. Campus Road, Room 153A, Lawrence, KS, 66045, (785)864-6414, 711 TTY.

     Contact KU
    Lawrence, KS | Maps