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A sail-backed suchian from the Heshanggou Formation (Early Triassic: Olenekian) of China
anatomy, Archosauria Archosauriformes Ctenosauriscidae Mesozoic Poposauroid
2014/3/26
The two major lineages of extant archosaurs, crocodylians and avians, diverged in
the Triassic, but the details and timing of this event are incompletely understood. Fragmentary and
phylogenetically...