Ultrastenos is an extinct genus of Australian mekosuchine crocodilian that lived during the Late Oligocene in northwestern Queensland, Australia. Following its discovery, it was speculated that Ultras
QM F31060, described as Baru huberi by Willis in 1997.
One of the most complete Ultrastenos skulls was long thought to have belonged to two different animals.
The reconstructed lower jaw of Ultrastenos.
Quinkana is an extinct genus of mekosuchine crocodylians that lived in Australia from about 25 million to about 20,000 years ago, with the majority of fossils having been found in Queensland. Four spe
Quinkan rock art near Laura, Queensland. These spirits are the namesake of Quinkana.
The holotype specimens of the four Quinkana species. Q. meboldi (a), Q. timara (b), Q. babarra (c) and Q. fortirostrum (d) were all described from skull remains of varying quality.
While no associated limb and skull fossils are known, pelvic form four suggest that at least one mekosuchine had a more upright posture and could therefore represent Quinkana.