It is known from a skull roof impression found in the Ashfield Shale (Late Triassic) of Mortdale, New South Wales, Australia.
Ashfield, New South Wales | Ashfield | Burgess Shale | Shale Niskin | shale gas | Peninsula Shale Renosterveld | oil shale | Mancos Shale | Kirkby-in-Ashfield | Ashfield, Massachusetts | Albert Stanley, 1st Baron Ashfield | Taltheilei Shale Tradition | St. Wilfrid's Church, Kirkby-in-Ashfield | Oil shale | Kerry Shale | Keith Ashfield | Haynesville Shale | Great Ashfield | Emu Bay Shale | Ashfield Shale | Ashfield by-election, 1977 | 2012–14 Romanian protests against shale gas |