Trilobites
Order Ptychopariida, Suborder Ptychopariina,Superfamily Ellipsocephaloidea,
Family Ellipsocephalidae
Geologic Age: Middle Cambrian
Larger rilobite
is 23 mm long
Emu Bay Shale Formation, Kangaroo Island, South Australia
Remarks: The Emu Bay Shale is Australia’s only Burgess Shale type
deposit. It has fauna in common with both the younger Burgess Shale and
the slightly
older Chengjiang Biota. Unlike the Burgess Shale and Chengjiang Biota,
however, the Emu Bay Shale deposits were a shallow water depositional
environment.
Also see:
Australian Trilobites |
