T.rex Tyrannosaurus rex furcula, wishbone cast replica T-rex Trex
T.rex Tyrannosaurus rex furcula, wishbone cast replica T-rex Trex
T.rex Tyrannosaurus rex furcula, wishbone cast replica T-rex Trex
T.rex Tyrannosaurus rex furcula, wishbone cast replica T-rex Trex
T.rex Tyrannosaurus rex furcula, wishbone cast replica T-rex Trex

T.rex Tyrannosaurus rex furcula, wishbone cast replica T-rex Trex

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$29.00
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Tyrannosaurus rex furcula, wishbone cast replica 

🦖 Tyrannosaurus rex Furcula (Wishbone) – Printout Sheet


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Tyrannosaurus rex
Furcula (Wishbone)
Specimens:

MOR 980 ("Peck’s Rex")

BHI 4960 ("Bucky")

FMNH PR2081 ("Sue")

 

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📅 Age: Late Cretaceous
🧬 Formation: Hell Creek Formation
📍 Discovery Site: Fort Peck Dam, Valley County, Montana, USA


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🔍 Furcula Comparisons

Illustrated below are furculae (wishbones) from three well-known T. rex specimens:

 
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🦴 Mounted Furcula in Skeleton

View from below the ribcage showing how the furcula fits between the shoulder blades:


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🧱 Individual Furcula Cast

A detailed view of a cast replica of the furcula from Tyrannosaurus rex:


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Note: The furcula, homologous to the wishbone in modern birds, provides structural support for the thoracic skeleton. Its presence in T. rex is key evidence linking non-avian theropod dinosaurs to birds.

 

The furcula (the technical term for a wishbone) is formed by the fusion of two collarbones at the sternum. The furcula is an important part of a bird's flight mechanics connecting point for muscles and a strengthening brace for wings. The bone is elastic and acts as a spring that stores and releases energy during flapping. (Ever try to snap a wishbone before it's dried?)

Scientists once thought the furcula was unique to birds. Paleontologists now tell us that the bone bel9ngs to two-legged, meat-eating dinosaurs including the Tyrannosaurus and Velociraptor. These reptilian movie stars didn't fly. Their furcula likely served as structural supports as the dinos held their prey.

The furcula is a key component of the commonly accepted theory that birds are the descendants of dinosaurs.

Dimensions: 15 inches around the curve

Material: solid resin

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