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Long ago in the skies above the shallow Eromanga Sea, which once covered what is now arid inland Australia, soared a formidable pterosaur - flying reptile - boasting a bony crest at the tip of its ...
Currently, the Nullarbor Plain of West Australia remains to be the greatest finding site. These fossils now reside at the Australian Museum. [3] [4] The genus was first published in 1859, erected to describe the type species Thylacoleo carnifex. The new taxon was established in examination of fossil specimens provided to Richard Owen.
Australia separated from Gondwana 99 Ma, and initially remained warm and humid with rainforest vegetation. Inland Australia had systems of rivers and lakes with abundant wildlife. Fossil birds, platypus, frogs and snakes are present from this period. From 30 Ma there was a period of global cooling, and from 15 Ma the Antarctic ice sheet formed.
Lacerda et al. (2024) describe new fossil material of spinosaurids (including a cervical vertebra of Sigilmassasaurus) and partial ischium of an indeterminate carcharodontosaurid from the Kem Kem Group . [167] Yun (2024) identifies convergent similarities in craniodental anatomy between spinosaurs and phytosaurs. [168]
They are predominantly found in forested areas and suburban gardens from Sydney, Australia's most populous city, to the coastal city of Newcastle in the north and the Blue Mountains to the west.
Fossils of Spriggina are known from the late Ediacaran period in what is now South Australia. Spriggina floundersi is the official fossil emblem of South Australia; [2] it has been found nowhere else. The organism reached 3–5 centimetres (1.2–2.0 in) in length and may have been predatory. Its bottom was covered with two rows of tough ...
Scientists discovered a 520-million-year-old fossilized larva with brains and guts intact, offering unprecedented insights into early arthropod evolution.
The Warrawoona Group is a geological unit in Western Australia containing putative fossils of cyanobacteria cells. Dated 3.465 Ga, these microstructures , found in Archean chert , are considered to be the oldest known geological record of life on Earth.