Psephosthenaspis pseudobathyurus Ross and Barnes 1967 (trilobite)

Artiopoda - Proetida - Bathyuridae

Alternative combination: Acidiphorus pseudobathyurus

Full reference: R. J., J.r. Ross and H. B. Barnes. 1967. Some Middle Ordovician Brachiopods and Trilobites from the Basin Ranges, Western United States. United States Geological Survey Professional Paper 523-D:D1-D4

Belongs to Psephosthenaspis according to R. A. Fortey and M.L. Droser 1996

Sister taxa: Psephosthenaspis ellipsepyga, Psephosthenaspis glabrior, Psephosthenaspis microspinosa, Psephosthenaspis strenuus

Type specimen: USNM 145802, a cephalon/head (cranidium)

Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Whiterockian of United States (5: Nevada collections)

• Ordovician of United States (16: Nevada, Utah)

Total: 21 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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