arcusaurusの例文
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- "Arcusaurus " was first named by specific epithet honours Lucille Pereira and Fernando Abdala who discovered the fossils.
- However, " Arcusaurus " possesses many features unique to more advanced groups included in the clade Plateosauria, raising doubts about the results of the phylogenetic analysis.
- "Arcusaurus " is known from two fragmentary skeletons collected in March 2006 at the Spion Kop Heelbo site from the upper Elliot Formation in Senekal in Free State.
- A phylogenetic study of " Arcusaurus " found it to be a basal sauropodomorph, placing it as the sister taxon of " Efraasia " and all of the more derived sauropodomorphs.
- Since " Efraasia " is known from the Norian stage of the Late Triassic, the close relationship with " Arcusaurus " implies that there was a 35-million-year ghost lineage of sauropodomorphs stretching from Late Triassic forms to " Arcusaurus ".