• Discovered in 1975 by Mike O. Woodburne and Dick H. Tedford in Etudunna Formation in the Desert of Tirari.

• Habitat: southernmost Australia.
• Time: Oligocene higher.
• the holotype is a Molaire lower left and is with the South Australia' S Museum, Adélaïde. She comprises six roots. One also found m2 with four roots and of the fragments of jaw and basin. Obdurodon insignis has a canine (NC1) moreover than its ancestor the Steropodon galmani . Its nozzle was to be relatively smaller than that of Obdurodon dicksoni .

See too

• Obdurodon dicksoni
• Monotrematum sudamericanum
• Obdurodon