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Caletodraco

From Wikipedia, the free encyclopedia
Genus of abelisaurid dinosaurs

Caletodraco
Reconstructed skeleton
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Clade:Dinosauria
Clade:Saurischia
Clade:Theropoda
Family:Abelisauridae
Clade:Furileusauria
Genus:Caletodraco
Buffetaut et al.,2024
Type species
Caletodraco cottardi
Buffetaut et al., 2024

Caletodraco is a genus offurileusaurianabelisaurid dinosaur from Late Cretaceous (Cenomanian)Chalk of the Pays de Caux,France. The type species isCaletodraco cottardi. It represents the first definitive furileusaurian named from outside of South America.[1]

Holotype

Discovery and naming

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The holotype specimen,MHNH 2024.1.1., was collected by Nicolas Cottard during two separate expeditions in 2021 and 2023, and it includes a sacrum, incomplete ilia, the first caudal vertebra, and various poorly preserved bones, possibly ribs. A tooth found at the same locality may belong to the same taxon or a predator or scavenger.[1]

Caletodraco wasdescribed as a new genus and species of abelisaurid in 2024. Thegeneric name,Caletodraco, combines the name of theCaleti, the Celtic tribe that lived in the area around the type locality inNormandy, France, with the Latindraco, meaning "dragon". Thespecific name, honors Nicolas Cottard, who discovered the specimen and donated it to the museum where it is now reposited.[1]

Description

[edit]
Life restoration

TheCaletodraco holotype is similar in general size to the corresponding bones ofSkorpiovenator. The ilia of both taxa measures around 70 centimetres (28 in), with the length of the first caudal vertebral centra at about 10 centimetres (3.9 in). AsSkorpiovenator is known from a fairly complete skeleton with an estimated total length of 6 metres (20 ft), it can be assumed thatCaletodraco was similar in size. The shape of thetransverse process on the caudal vertebra is anautapomorphy that distinguishesCaletodraco from all other abelisaurids.[1]

Classification

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Caletodraco was assigned by its describers to the abelisaurid subclade Furileusauria. This makes it one of the oldest known furileusaurians, possibly along withGenusaurus from the Early Cretaceous of France. This suggests a more complex biogeography of European abelisaurs than previously assumed.[1]

References

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  1. ^abcdeBuffetaut, E.; Tong, H.; Girard, J.; Hoyez, B.; Párraga, J. (2024)."Caletodraco cottardi: A New Furileusaurian Abelisaurid (Dinosauria: Theropoda) from the Cenomanian Chalk of Normandy (North-Western France)".Fossil Studies.2 (3):177–195.doi:10.3390/fossils2030009.
Avemetatarsalia
Theropoda
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Coelophysoidea
Coelophysidae
Averostra
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Dubious neotheropods
Coelophysis bauri
Dilophosaurus wetherilli
Ceratosauridae
Berthasauridae?
Abelisauroidea
Noasauridae
Elaphrosaurinae
Noasaurinae
Abelisauridae
Majungasaurinae
Carnotaurinae
Brachyrostra
Furileusauria
Tetanurae
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Ceratosaurus nasicornis
Limusaurus inextricabilis
Rajasaurus narmadensis
Aucasaurus garridoi
Piatnitzkysauridae
Megalosauridae
Megalosaurinae
Afrovenatorinae
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Ceratosuchopsini
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Piatnitzkysaurus floresi

Torvosaurus tanneri

Spinosaurus aegyptiacus
Metriacanthosauridae
Metriacanthosaurinae
Allosauridae
Carcharodontosauria
Neovenatoridae
Carcharodontosauridae
Carcharodontosaurinae
Giganotosaurini
Megaraptora?
Megaraptoridae
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Xuanhanosaurus qilixiaensis
Allosaurus fragilis

Neovenator saleriiCarcharodontosaurus saharicus

Australovenator wintonensis
Coeluridae?
Proceratosauridae
Albertosaurinae
Tyrannosaurinae
Alioramini
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Zuolong salleei
Stokesosaurus clevelandi

Alioramus remotus

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Ornithomimosauria
Macrocheiriformes
Deinocheiridae
Ornithomimidae
Maniraptora
Sinosauropteryx prima

Deinocheirus mirificus

Qiupalong henanensis
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