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1 February 2005 POSTCRANIAL CARPALIAL SUPPORT FOR THE EXTINCT CERVID GENUS BRETZIA WITH ASSOCIATED ANTLER
G. Victor Morejohn, Jonena Hearst, Charles Dailey
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Abstract

We describe distinctive characteristics of the magnum-trapezoid and other carpals found associated with an antler of the extinct genus Bretzia from southwestern Idaho from late Pliocene (Blancan V) Glenns Ferry Formation deposits (2.4 × 106 years ago) of the Birch Creek drainage. This antler and elements of the foreleg represent a midpoint in the known evolutionary history of the genus. The oldest known antlers from a species of Bretzia are from the Pliocene Ringold sediments (4.2 × 106 years ago) of Washington; and the most recent antlers are from South Dakota and Nebraska sediments of Rancholabrean–Holocene times (10,000–15,000 years ago). Carpal elements of the foreleg of Bretzia have a unique feature of the magnum-trapezoid not found in other extant New World cervids studied.

G. Victor Morejohn, Jonena Hearst, and Charles Dailey "POSTCRANIAL CARPALIAL SUPPORT FOR THE EXTINCT CERVID GENUS BRETZIA WITH ASSOCIATED ANTLER," Journal of Mammalogy 86(1), 115-120, (1 February 2005). https://doi.org/10.1644/1545-1542(2005)086<0115:PCSFTE>2.0.CO;2
Accepted: 5 April 2004; Published: 1 February 2005
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