Shumardia exopthalmus Ross and Barnes 1967 (trilobite)

Artiopoda - 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 karasaiensis, Shumardia keguqinensis, 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

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Specimen images are retrieved through the ePANDDA API.


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