Artiopoda - Proetida - Bathyuridae
Alternative combination: Ludvigsenella ellipsepyga
Full reference: J. V. Tremblay and S. R. Westrop. 1991. Middle Ordovician (Whiterockian) trilobites from the Sunblood Formation, District of Mackenzie, Canada. Journal of Paleontology 65(5):801-824
Belongs to Psephosthenaspis according to R. A. Fortey and M.L. Droser 1996
See also Tremblay and Westrop 1991
Sister taxa: Psephosthenaspis glabrior, Psephosthenaspis microspinosa, Psephosthenaspis pseudobathyurus, Psephosthenaspis strenuus
Type specimen: ROM 47733, a cephalon/head (cranidium). Its type locality is District of Mackenzie, Sunblood Range (BVF), which is in a Whiterockian shallow subtidal limestone in the Sunblood Formation of Canada.
Distribution:
• Whiterockian of Canada (5: Northwest Territories collections), United States (1: Nevada)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.