Project 3485: A. D. Rincón, A. Solórzano, H. G. McDonald, M. Montellano-Ballesteros. 2019. Two new megalonychid sloths (Mammalia: Xenarthra) from the Urumaco Formation (late Miocene), and their phylogenetic affinities. Journal of Systematic Palaeontology. 17 (5):409-421.
Specimen: Choloepus (unvouchered)
View: whole organism

Abstract

Here we describe two new megalonychid sloths from the late Miocene of the Urumaco Formation (Falcón State, Venezuela), Urumacocnus urbanii gen. et. sp. nov. and Pattersonocnus diazgameroi gen. et sp. nov. The recovery of these distinct taxa greatly improves our understanding of sloth diversity in the late Miocene of northern South America. A phylogenetic analysis based on the combination of cranial and postcranial elements (particularly the femur) partially supports previous interpretations of the relationships of genera within the Megalonychidae, but also suggests the existence of a more complex set of subclades within the family in South America, North America and the Antilles.


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Article DOI: 10.1080/14772019.2018.1427639

Project DOI: 10.7934/P3485, http://dx.doi.org/10.7934/P3485
This project contains
  • 2 Media
  • 2 Documents
  • 3 Taxa
  • 1 Specimen
Total size of project's media files: 4 MB

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MorphoBank Project 3485
  • Creation Date:
    12 June 2019
  • Publication Date:
    26 September 2019
  • Project views: 424


    Members

    member name taxa specimens media
    Tanya Berardini
    Project Administrator
    Last logged in 09/26/19
    312
    Ascanio Rincon
    Full membership
    Last logged in Never
    000


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