Uncommon Hsuaspis Trilobite

from the famous Emu Bay Shale of Kangaroo Island

Hsuaspis (Estaingia) bilobata

Trilobites Order Ptychopariida, Family Estaingidae

Geological Time: Early Cambrian

Size: Trilobite 20 mm long by 11 mm wide on a 55 mm by 60 mm matrix

Fossil Site: Emu Bay Shale, Emu Bay, Kangaroo Island, South Australia

Code: AAF136

Price: Sold

Hsuaspis TrilobiteThis fossil is a specimen of Hsuaspis bilobata from the famous Emu Bay Shale of Australia. 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. This is the most common trilobite of the Biota, and is found in New South Wales and Antarctica as well. It appears to have affinities with the younger Xystridura (see my other offerings). Some prefer to use the genus Estaingia, rather than Hsuaspis. I list both names to make it easier for collectors to locate the specimen. There is a partial cephalon of the Redlichiid trilobite Redlichia takooensis on the reverse.

Trilobites Fossil Sales

click trilobite pictures to enlarge

Trilobite from the famous Emu Bay Shale of Kangaroo Island
Hsuaspis Trilobite

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