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It was compared to the characteristic morphology of each reconstructed cervical position in Spinosaurus aegyptiacus, based on a recent composite reconstruction that incorporates most previously referred material from this unit. Rather than conforming to any of the previously identified cervical positions in its morphology, the specimen displays ...
The most recent study suggests that previous body size estimates are overestimated, and that S. aegyptiacus reached 14 m (46 ft) in length and 7.4 t (8.2 short tons) in body mass. The skull of Spinosaurus was long, low, and narrow, similar to that of a modern crocodilian, and bore straight conical teeth with no serrations.
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Tameryraptor lived in the Bahariya Formation, then a wetland environment, alongside the coeval Spinosaurus which is also known from the Kem Kem beds. The faunal composition of both the Bahariya Formation and the Kem Kem beds were thought to be similar in the past, but the describers of Tameryraptor suggested that such superficial comparisons ...
The newest addition to the Field Museum on Chicago's lakefront will give visitors a glimpse of the largest predatory dinosaur yet discovered via a 46-foot (14.02 meter) cast of a Spinosaurus ...
Carrano, Benson & Sampson (2012) performed much larger phylogenetic analysis of the Tetanurae that includes more taxa. They used the clade name Megalosauria (Bonaparte, 1850) in their analysis and defined it as the node comprising Megalosaurus, Spinosaurus, their most recent common ancestor, and all its descendants.
Kuzmin et al. (2024) present the reconstruction of the Kansajsuchus extensus and note the presence of significant differences in the braincase structure of pholidosaurids and dyrosaurids, questioning the close affinity of the two groups. [55] Redescription of the anatomy of the skull of Acynodon adriaticus is published by Muscioni et al. (2024 ...
Substantially complete spinosaurid foot remains are only known from Spinosaurus. Unlike most theropods—which walk on three toes, with the hallux (first toe) being reduced and elevated off the ground—Spinosaurus walked on four functional toes, with an enlarged hallux that came in contact with the ground. The unguals of its feet, in contrast ...