2021
DOI: 10.1038/s41598-021-97870-8
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Abstract: Spinosaurids are among the most distinctive and yet poorly-known of large-bodied theropod dinosaurs, a situation exacerbated by their mostly fragmentary fossil record and competing views regarding their palaeobiology. Here, we report two new Early Cretaceous spinosaurid specimens from the Wessex Formation (Barremian) of the Isle of Wight. Large-scale phylogenetic analyses using parsimony and Bayesian techniques recover the pair in a new clade within Baryonychinae that also includes the hypodigm of the African … Show more

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Cited by 23 publications
(98 citation statements)
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References 80 publications
(123 reference statements)
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“…There are two different areas and patterns of eruption; the first five alveoli (of them only the three distal ones are well preserved) bear either one or two replacement teeth in each of them, as seen in the premaxilla of Oxalaia quilombensis [ 74 ] and in the maxilla of the megalosauroid, Torvosaururus gurneyi [ 75 ]. The distal alveoli (from the 6th alveoli backwards) bear a pattern where the even number alveoli (i.e., 6, 8, 10) have small replacement teeth, meanwhile the odd ones bear a single and big replacement tooth, with the functional teeth being lost most likely due to taphonomic processes [ 7 , 9 , 11 ].…”
Section: Resultsmentioning
confidence: 99%
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“…There are two different areas and patterns of eruption; the first five alveoli (of them only the three distal ones are well preserved) bear either one or two replacement teeth in each of them, as seen in the premaxilla of Oxalaia quilombensis [ 74 ] and in the maxilla of the megalosauroid, Torvosaururus gurneyi [ 75 ]. The distal alveoli (from the 6th alveoli backwards) bear a pattern where the even number alveoli (i.e., 6, 8, 10) have small replacement teeth, meanwhile the odd ones bear a single and big replacement tooth, with the functional teeth being lost most likely due to taphonomic processes [ 7 , 9 , 11 ].…”
Section: Resultsmentioning
confidence: 99%
“…Currently the position of Camarillasaurus could not be resolved beyond its likely inclusion in Spinosauridae [ 8 , 41 ], therefore it is not possible to assign it to either spinosaurid clade, although the differences between it and Vallibonavenatrix might point towards a non-spinosaurine position [ 30 ]. Nevertheless other characters, like the pachyostosis in the tibia [ 8 ], might point towards an affinity with spinosaurines as some phylogenies have pointed out [ 7 ]. Only new material from Camarillasaurus would confirm its placement with greater detail in the spinosaurid family tree [ 7 ].…”
Section: Discussionmentioning
confidence: 99%
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