Palniella
Palniella is a genus of extinct trilobites belonging to the family Pterocephaliidae. These marine arthropods lived during the Late Cambrian period. Palniella fossils have been found in regions that were once part of ancient continents like Laurentia. Morphologically, Palniella exhibits features characteristic of its family, including a relatively large cephalon (head shield) and pygidium (tail shield) compared to the thorax. Further research into specific species within the Palniella genus continues to contribute to the understanding of Cambrian trilobite evolution and paleogeography. The genus is of interest to paleontologists studying the Late Cambrian faunal communities and the diversification of trilobites during that era. Distinguishing characteristics often involve the shape and ornamentation of the cephalon and pygidium, particularly the spines and furrows present on these exoskeletal structures.