Lot 618

Rare Nimravus Fossil Skull — False Saber-Toothed Cat, Oligocene

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Rare Nimravus Fossil Skull — False Saber-Toothed Cat, Oligocene

Estimate: $30,000 - $45,000

Starting Bid: $15,000

(0 Bids)

June 12, 2026 9:00 AM MDT
Live Auction
Louisville, CO, US

Description:

North America, Shannon County, South Dakota, Sharps Formation, Oligocene., ca. 31,000,000 - 24,000,000 BCE. A thrilling and rare fossilized skull from the prehistoric Nimravus, a false saber-toothed cat in the Nimravidae family. This skull is displayed with the lower jaw slightly open, so it is easy to imagine this creature crouching and waiting to ambush unwary prey! The lower and upper jaws beautifully show off the large and once-razor sharp saber and canine teeth. This saber-toothed mammal once roamed prehistoric North America, and its oversized canines are similar to the famous Smilodon (saber-toothed tiger); however, Nimravus was not a true cat! These animals were 4 feet in length (1.4 meters) and probably ambushed birds and smaller mammals rather than running after prey. This rare pseudo-cat is awe inspiring and a remarkable part of prehistorical fauna that very few collectors have the opportunity to see! Size: 9" L x 5" W (22.9 cm x 12.7 cm); 10.25" H (26 cm) on included custom stand; saber size: 1.25" L (3.2 cm)

Provenance: private Texas, USA Collection

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Item # 202043

  • Condition: Expertly prepared. Approximately 70-75 % original material. Most of lower jaw including teeth are original except very back of jaw. The sides of the skull are original and much of back of the cranium. The top of the skull is visibly restored. All molars and premolars are original. One saber is original, and one is cast. This is an extremely rare specimen.

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Bid Increments
From: To: Increments:
$0 $749 $25
$750 $1,499 $50
$1,500 $2,999 $100
$3,000 $7,499 $250
$7,500 $14,999 $500
$15,000 + $1,000