World’s Largest Known Agnostid Trilobite from Tasmania


Grandagnostus sp

Trilobita Order Agnostida, Superfamily Agnostoidea, Family Agnostidae

Geological Time: Middle Cambrian

Size: Trilobite is 13 mm long

Fossil Site: Upper Fauna, Cassis or Agra Zone, Christmas Hills, Smithton, Tasmania


Description: This is the world's largest known Agnostid trilobite. The meaning of the genus name, Grandagnostus, is obvious. It is a positive and negative specimen that of a fully mature adult with excellent preservation.

click fossil pictures to enlarge


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