Journal
COMPTES RENDUS PALEVOL
Volume 7, Issue 8, Pages 607-627Publisher
ACAD SCIENCES
DOI: 10.1016/j.crpv.2008.09.010
Keywords
Fossil; Omo; Hadar; West Turkana; Langebaanweg; Enhydriodon; Sivaonyx
Categories
Funding
- LSB Leakey Foundation
- NSF
- Sigma Xi
- Stockton Distinguished Faculty Fellowships
- Stockton CDC
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This study compares fossil femora attributed to extinct African bunodont lutrines with extant mustelids and ursids to reconstruct locomotor behavior. Due to the immense size differences among taxa, shape data were used to compare morphology. Based on morphological differences, the fossil femora are suggested to belong to different taxa with different locomotor abilities and habitat preferences. The Langebaanweg femur is the oldest and has a typical mustelid morphology suggesting that it was a locomotor generalist like most mustelids. The West Turkana form is more like extant nonbunodont otters, but much larger, and may have belonged to a semiaquatic taxon. The enormous Omo femur shares some features with truly aquatic taxa (e.g., Enhydra) and is the most likely to have been fully aquatic. The same may hold true for the Hadar species as it is most similar to that from the Omo. If these femora truly belong to bunodont lutrines, then they are more diverse in postcranial morphology than in dental morphology. To cite this article: M.E. Lewis, C. R. Palevol 7 (2008). (C) 2008 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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