Skip to content
The Nexus
DossierENTITY

archosaurs

Coverage of archosaurs in the Nexus archive.

Earliest in view: Jul 29 · 18:00 UTCMost recent: Jul 30 · 08:00 UTC
Co-mentioned in this coverage
Austronaga minutatopic2Chinese-led teamorganization1Early Triassic periodtopic1stomachtopic1Livertopic1intestinal soft tissuetopic1Yunnan provinceplace1Flinders Universityorganization1John Longperson1Natural History Museum Stuttgartorganization1Stephan Spiekmanperson1Triassic Periodtopic1
Recent coverage
  • SCIENCEJul 30 · 08:00 UTCSCMP CHINA
    Triassic fish for lunch? Chinese fossil reveals oldest preserved reptile stomach

    A Chinese-led team discovered a 240 million-year-old Austronaga minuta fossil with the oldest preserved reptile stomach, liver, and intestinal soft tissue, suggesting early marine colonization by archosaurs. The fossil's aquatic adaptations challenge previous assumptions about reptile evolution during the Early Triassic period.

  • SCIENCEJul 29 · 18:00 UTCNEW SCIENTIST
    Spectacular fossil preserves internal organs of ancient marine reptile

    A 245-million-year-old fossil of Austronaga minuta, a marine reptile from the Triassic Period, preserves its intact digestive system, including the stomach, liver, and intestines. Found in Yunnan province, China, the specimen belongs to the archosaur group, which includes dinosaurs and crocodiles, and shows reptilian digestive anatomy has remained largely unchanged for over 240 million years.