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Many palaeontologists later questioned Buffetaut and Ingavat's identification of Siamosaurus, given that spinosaurid teeth, including many from Asia, have often been mistaken for those of aquatic reptiles like crocodilians, plesiosaurs, and ichthyosaurs. [43]
The teeth of spinosaurids were conical, with an oval to circular cross section and either absent or very fine serrations. Their teeth ranged from slightly recurved, such as those of Baryonyx and Suchomimus, to straight, such as those of Spinosaurus and Siamosaurus, and the crown was often ornamented with longitudinal grooves or ridges. [35] [38]
Siamosaurus: 1986 Khok Kruat Formation, Sao Khua Formation (Early Cretaceous, Barremian to Aptian) Thailand: Only known from teeth. Some spinosaurid postcrania from the same area may be referrable to this genus [127] Siamotyrannus: 1996 Sao Khua Formation (Early Cretaceous, Berriasian to Barremian) Thailand
– Here it is crucial to state if this is a tooth crown or a complete tooth with root. If it was a scavenger, I expect a tooth crown (the root got resorbed and the crown fell out when it was replaced by a new tooth), but if it was from a skeleton, I expect a complete tooth (which fell out, complete with root, only after the death of the animal).
A tooth found with the bones belongs to Siamosaurus, but whether it is from the same individual or is evidence of scavenging remains uncertain.' I dont think that there's much more than that? Whats interesting is that it seems that a spinosaur ansestor must have existed which had tall spines as suchomimus, spinosaurus and now this one described ...
Lee County GOP chair Michael Thompson would expect no less. “President Trump supports Byron to the moon and back.” Florida Gulf Coast University instructor Cindy Banyai, who twice ran against ...
A sicko from New Jersey allegedly took part in a neo-Nazi child-porn ring whose members groomed children online and extorted them to send self-produced, sexually-explicit videos, federal ...
A sign for the World Food Programme outside a United Nations Relief and Works Agency (UNRWA) food aid warehouse in Deir Al-balah, Gaza, on Jan. 23, 2025.