Athabaskia bithus (Walcott, 1916)
Name: Athabaskia bithus (Walcott, 1916)
Locality: Antimony Canyon and Miner's Hollow, Wellsville Mountains,
Utah
Stratigraphy: Spence Shale, Langston Fm., Middle Cambrian
Remarks: Left: photographed by Andrew Milner; middle: photographed by
Kevin Brett; right: Photo: N. Skabelund