Trilobita - Asaphida - Ceratopygidae
Alternative spelling: Lopnorites
Parent taxon: Proceratopyge according to Kobayashi and Ichikawa 1955
Sister taxa: Proceratopyge (Sinoproceratopyge), Proceratopyge canadensis, Proceratopyge conifrons, Proceratopyge distensa, Proceratopyge fenghwangensis, Proceratopyge fuyangensis, Proceratopyge incondita, Proceratopyge longa, Proceratopyge mirabilis, Proceratopyge nathorsti, Proceratopyge promisca, Proceratopyge protracta, Proceratopyge rectispinata, Proceratopyge tenuita, Proceratopyge truncatus, Proceratopyge waergangensis, Proceratopyge zhejiangensis
Subtaxa: Proceratopyge (Lopnorites) grabaui Proceratopyge (Lopnorites) posterolateralis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Taoyuanian of China (3 collections)
• Cambrian of Kazakhstan (9)
Total: 12 collections each including a single occurrence