†Psephosthenaspis glabrior Fortey and Droser 1996 (trilobite)
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Trilobita - Proetida - Bathyuridae
Full reference: R. A. Fortey and M.L. Droser. 1996. Trilobites at the base of the Middle Ordovician, western United States. Journal of Paleontology 70(1):73-99
Belongs to Psephosthenaspis according to R. A. Fortey and M.L. Droser 1996
Sister taxa: Psephosthenaspis ellipsepyga, Psephosthenaspis microspinosa, Psephosthenaspis pseudobathyurus, Psephosthenaspis strenuus
Type specimen: USNM 481337, a pygidium
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Whiterockian of United States (3: Nevada collections)
• Ordovician of United States (6: Nevada, Utah)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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