Trilobita - Ptychopariida - Shumardiidae
Full reference: R. A. Robison and J. Pantoja-Alor. 1968. Tremadocian trilobites from the Nochixtlan Region, Oaxaca, Mexico. Journal of Paleontology 42(3):767-800
Belongs to Shumardia according to R. A. Robison and J. Pantoja-Alor 1968
Sister taxa: Shumardia (Conophrys), Shumardia (Shumardia), Shumardia acuticaudata, Shumardia ctenata, Shumardia erquensis, Shumardia exopthalmus, Shumardia extensa, Shumardia granulosa, Shumardia lacrimosa, Shumardia minaretta, Shumardia phalloides, Shumardia sagittula, Shumardia tarimuensis
Type specimen: USNM 158934, a pygidium
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of the United Kingdom (4 collections)
• Tremadoc of Mexico (7)
• Cambrian of the United Kingdom (6)
Total: 17 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.