Thescelosaurus

    SKU
    DI21
    In stock
    $750.00
    Overview

    An EXTRA LARGE, Top Quality Thescelosaurus neglectus pes ungual (foot claw) from the late Cretaceous of northern North AmericaThescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. This claw is excellent quality with excellent color and patinaOne stress crack which was stabilized stabilized - no repair or no restoration. A super rare, extra large Thescelosaurus pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Thescelosaurus claw. Maximum size. Note - claw comes with a Riker type frame. Authenticity guaranteed. Note - Thesc unguals are described as flat triangles.(see Thesc-Pachy claw differentiation discussion below). 

    DI21        SIZE: 2-1/2"    (1-1/4" W)

    Note - Adding 4 new Thescelosarus claws in July 2018.       Link to Thesc fossils catalog

    Thescelosaurus is ornithopod dinosaur that appeared in the late Cretaceous period in North America. It’s name means “marvelous lizard”. Thescelosaurus was a bipedal dinosaur that grows to 13 feet and 700 lbs. Thescelosaurs had short, broad, five-fingered hands, and four-toed feet with triangular hoof-like toe claws. It could have been an omnivore based on its skull and its muscular jaw. A Thescelosaurus skeleton named “Willo” found in So. Dakota in 1993 is famous for having a partially preserved heart. There are two species with the most abundant species being Thescelosaurus neglectus.

    Thescelosaurus fossils are less abundant than the large theropods and herbiovores in the Hell Creek Fm. A dinosaur census conducted by the Hell Creek Project calculated relative abundance of the Thescelosaurus was 8% of the population. Today, we find fossilized teeth, unguals (claws), spikes, and non-associated bones.

    Thescelosaurus ungual (claw) identification. Thescelosaurus unguals (claws) are routinely identified and sold as Pachycephalosaurus unguals as they have a similar shape and size. Unfortunately there is little reference data for Pachycephalosaurus unguals with only one Pachy specimen with partial legs found. Per my discussion with the primary Fossil Forum Hell Creek dinosaurs author, he suggested “to differentiate between the two is Thescelosaurus claws are flat and triangular and the ones with a twist are Pachy”. That said, unguals  (claws) from both species are rare and are highly collectable.

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