Arthropod larva from Cambrian period

Researchers report the discovery of a 2-millimeter‑long, fossilized larva of the early Cambrian arthropod Leanchoilia illecebrosa from China’s Chengjiang biota, and propose that the larva’s small number of anterior body segments provides evidence that posthatching segment addition, characterized by the addition of body segments throughout larval development, may have evolved in ancestors of Euarthropda. - Read at PNAS.org

Article #15-22899: “Three-dimensionally preserved minute larva of a great-appendage arthropod from the early Cambrian Chengjiang biota,” by Yu Liu et al.