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ZUUL

a plant-eating armoured ankylosaurine dinosaur from the Late Cretaceous of North America.
Pronunciation: ZOOL
Meaning: Shin destroyer
Author/s: Arbour and (2017)
Synonyms: None known
First Discovery: Montana, USA
Chart Position: 799

Zuul crurivastator

Fossils from Montana's Judith River Formation were first noted by Lewis and Clark during their "Corps of Discovery" expedition in the early 1800s, and the first dinosaurian remains were found there by F. V. Hayden during a mapping mission for the US Geological Survey in 1855, but despite being prospected pretty much continously since then, fairly complete dinosaurian discoveries in this area have been few and far between. However, things took an accidental twist on 16th May 2014 when a tail club, found while removing overburden from a tyrannosaur skeleton, eventually led to a pair of huge stone blocks being hauled from the JRF's Coal Ridge Member, and hidden within was Zuul crurivastator: the most complete ankylosaurid ever found in North America, and the first ankylosaurine skeleton to sport a complete skull and tail club.
(Zuul the shin destroyer)Etymology
Zuul is named after... Zuul, the monstrous, horned Gatekeeper of Gozer from the 1984 film Ghostbusters. The species epithet, crurivastator, is derived from the Latin "crus" (shin or shank) and "vastator" (destroyer), in reference to its sledgehammer-like tail club.
Discovery
The remains of Zuul were discovered in the Coal Ridge Member of the Judith River Formation, 5 km northwest of the John Wodarz Bridge, north side of the Milk River on the outskirts of the City of Havre, Montana, USA, by a private commercial fossil company (Theropoda Expeditions LLC) with landowner permission in 2014. The site was originally designated Theropoda Exp LLC Locality LC02(Q).
The holotype (ROM 75860) is a spectacular, partially mummified specimen with preserved soft tissues, skin impressions, in situ armour and dark films that probably represent preserved keratin.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Campanian
Age range: 76-75 mya
Stats:
Est. max. length: ?
Est. max. hip height: ?
Est. max. weight: ?
Diet: Herbivore
References
• Sahni A (1972) "The vertebrate fauna of the Judith River Formation, Montana". Bull. Am. Mus. Nat. Hist. 147, 321–412.
• Leidy J (1856) "Notices of the remains of extinct reptiles and fishes, discovered by Dr. F. V. Hayden in the badlands of the Judith River, Nebraska Territory". Proceedings of the Academy of Natural Sciences of Philadelphia 8: 72–73.
• Arbour VM and Evans DC (2017) "A new ankylosaurine dinosaur from the Judith River Formation of Montana, USA, based on an exceptional skeleton with soft tissue preservation". Royal Society Open Science 2017 4 161086.
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To cite this page:
Atkinson, L. "ZUUL :: from DinoChecker's dinosaur archive".
›. Web access: 21st Aug 2017.
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