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A later study conducted by André Fonseca and colleagues in 2024 gave a formal definition for Thyreophoroidea in the PhyloCode as "the smallest clade containing Ankylosaurus magniventris, Scelidosaurus harrisonii, and Stegosaurus stenops". [1] The following cladogram shows the results of the phylogenetic analysis Soto-Acuña et al. (2021). [8]
This definition was further refined by Paul Sereno in 2005 to specify Ankylosaurus magniventris and Stegosaurus stenops, the type species of both genera, a definition that was followed by Madzia and colleagues in 2021 when the group name and definition was formalized following the PhyloCode. [5]
Ankylosaurus [nb 1] is a genus of armored dinosaur. Its fossils have been found in geological formations dating to the very end of the Cretaceous Period, about 68–66 million years ago, in western North America, making it among the last of the non-avian dinosaurs. It was named by Barnum Brown in 1908; it is monotypic, containing only A ...
Ankylosaurinae is formally defined in the PhyloCode as "the largest clade containing Ankylosaurus magniventris, but not Shamosaurus scutatus". [2] [3] [4] The tribe Ankylosaurini is defined in the PhyloCode as "the largest clade containing Ankylosaurus magniventris, but not Pinacosaurus grangeri and Saichania chulsanensis".
Ankylosauridae (/ ˌ æ ŋ k ɪ l oʊ ˈ s ɔː r ɪ d iː /) is a family of armored dinosaurs within Ankylosauria, and is the sister group to Nodosauridae.The oldest known ankylosaurids date to around 122 million years ago and went extinct 66 million years ago during the Cretaceous–Paleogene extinction event. [1]
Artistic skeletal reconstruction of Ankylosaurus (AMNH 5895) by Barnum Brown, 1908, before the tail club was known Artistic restoration of Ankylosaurus magniventris. 1901. F. A. Lucas described the new species Stegosaurus marshi, and later reclassified it as Polacanthus marshi. [12] 1902
SPOILERS BELOW—do not scroll any further if you don't want the answer revealed. The New York Times. Today's Wordle Answer for #1274 on Saturday, December 14, 2024.
MB.R.4800.1-MB.R.4800.37 [100] Natural History Museum, Berlin: Tithonian: Tendaguru Beds, Tanzania [101] Mostly complete vertebra with several limb bones [100] No holotype was designated, later authors designated multiple specimens, which are believed to belong to a single individual, as lectotypes [100] Mount that includes material from the ...