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Abstract
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A Late Jurassic Digging Mammal and Early Mammalian Diversification
Zhe-Xi Luo and John R. Wible

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Matrix S1
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  • Movie S1
    Caption to the CT 3D volume-rendering movies (QuickTimeTM format)
    The holotype specimen of Fruitafossor windscheffeli (LACM150948) is preserved with complete lower jaws, incomplete upper jaws, and about 40% of the postcranial skeleton. Some morphological features are not visible from the prepared specimen, because it is distorted and compressed. CT scanning of the fossil has added significant information about the teeth, the shoulder girdle, and forelimbs. The CT scans and 3D volume rendering were provided by Dr. Timothy M. Ryan of the Department of Anthropology and Center of Quantitative Imaging Laboratory at the Pennsylvania State University at State College, Pennsylvania.
  • Movie S2
    Additional discussion on termite fossil record
    The dental convergence of Fruitafossor to modern armadillos suggests its diet may include termites, other insects, invertebrates, and even plants. This inference is consistent with the fossil record of termites. Termites and their close phylogenetic relatives (roaches) extend back to the Permian (Weesner, 1960). The Uralotermitidae, the oldestknown �stem-family� of the termite order is known from the Permian. Hodotermitidae, one of the six living families of termites, can be traced to the Early Cretaceous. The general view of the evolutionary history of termites is that termites diversified in the Triassic and Jurassic.

    Reference: Weesner, F. M. 1960. Evolution and biology of the termites. Annual Review of Entomology 5: 153-170.