Psephosthenaspis microspinosa Fortey and Droser 1996 (trilobite)

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 glabrior, Psephosthenaspis pseudobathyurus, Psephosthenaspis strenuus

Type specimen: USNM 481333, a pygidium

Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Ordovician of United States (2: Utah collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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