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Osteological traits present in digging sigmodontines: (A) lateral view of the lumbar region of Blarinomys breviceps (CM 2640) showing low (dorsoventrally) and long (craniocaudal) neural processes, and (B) cranial view of the ulna of Chelemys macronyx (CNP 440). Note the marked medial curvature of the olecranon process. i, ilium; L2–L6, second to sixth lumbar vertebrae; np, neural process; olp, olecranon process; rn, radial notch; trn, trochlear notch. Scale bars: 5 mm.
