Trilobita - Ptychopariida - Shumardiidae
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 Shumardia according to R. J., Jr. Ross and H. B. Barnes 1967
Sister taxa: Shumardia (Conophrys), Shumardia (Shumardia), Shumardia acuticaudata, Shumardia alata, Shumardia ctenata, Shumardia erquensis, Shumardia extensa, Shumardia granulosa, Shumardia lacrimosa, Shumardia matchensis, Shumardia minaretta, Shumardia phalloides, Shumardia sagittula, Shumardia tarimuensis
Type specimen: USNM 145722, a cephalon/head
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of United States (4: Nevada, Utah collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.