Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Nice snake, shame about the legs.

Coates, Ruta

    Trends in Ecology & Evolution
    |December 15, 2000
    PubMed
    Summary

    The evolutionary origin of snakes is debated, with new fossil discoveries and cladistic analyses offering conflicting evidence about their relationships and phylogenetic placement.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Development of a Diversity-Based Approach for the Discovery of Stereoselective Polymerization Catalysts: Identification of a Catalyst for the Synthesis of Syndiotactic Polypropylene This work was supported by the Cornell Center for Materials Research (CCMR), a Materials Research Science and Engineering Center of the National Science Foundation (DMR-9632275), and the Exxon Chemical Corporation. G.W.C. gratefully acknowledges an NSF Career Award (CHE-9875261), a Camille and Henry Dreyfus New Faculty Award, a Research Corporation Research Innovation Award, an Alfred P. Sloan Research Fellowship, an Arnold and Mabel Beckman Foundation Young Investigator Award, a Camille Dreyfus Teacher-Scholar Award, a 3M Untenured Faculty Grant, an IBM Partnership Award, and a Union Carbide Innovation Recognition Award.

    Angewandte Chemie (International ed. in English)·2000
    Same author

    Successful implementation of automation in medicinal chemistry.

    Drug discovery today·2000
    Same author

    Early tetrapod evolution.

    Trends in ecology & evolution·2000
    Same author

    Divergence in the chloroplast genome and nuclear rDNA of the rare western australian plant lambertia orbifolia gardner (Proteaceae)

    Molecular ecology·2000
    Same author

    Genetic divergence and the mating system in the endangered and geographically restricted species, lambertia orbifolia gardner (Proteaceae)

    Heredity·1999
    Same author

    Influence of Perfluoroarene-Arene Interactions on the Phase Behavior of Liquid Crystalline and Polymeric Materials.

    Angewandte Chemie (International ed. in English)·1999

    Area of Science:

    • Evolutionary Biology
    • Paleontology
    • Herpetology

    Background:

    • Snakes are highly specialized terrestrial vertebrates with unique adaptations for locomotion, sensory perception, and predation.
    • Recent fossil discoveries of early snakes possessing posterior legs challenge traditional views on snake evolution.
    • Existing phylogenetic analyses provide conflicting interpretations of these fossils' significance and placement.

    Purpose of the Study:

    • To address the ongoing debate surrounding the evolutionary origins of snakes.
    • To analyze new fossil evidence and cladistic data related to early snake evolution.
    • To clarify the phylogenetic relationships and evolutionary scenarios of snakes.

    Main Methods:

    • Review and analysis of recent discoveries of early fossil snakes with posterior limbs.
    • Application of new cladistic analyses to interpret fossil significance and phylogenetic placement.
    • Comparison of conflicting hypotheses regarding snake evolutionary origins.

    Main Results:

    • New fossil evidence indicates the presence of posterior legs in early snake ancestors.
    • Cladistic analyses yield disputed interpretations of the phylogenetic significance of these fossils.
    • Conflicting hypotheses arise regarding the precise evolutionary pathways and relationships of snakes.

    Conclusions:

    • The evolutionary origin of snakes remains a contentious topic.
    • Discrepancies in fossil interpretation and phylogenetic analyses necessitate further research.
    • Resolving these conflicts has significant implications for understanding vertebrate evolution.

    Related Experiment Videos