Multiple origins of dorsal ecdysial sutures in trilobites and their relatives
K.-s. Du, J. Guo, S. Losso, S. Pates, M. Li, A.-l. Chen
The paper examines the evolution of dorsal ecdysial sutures in trilobites and their relatives, finding that their origin is ambiguous and may be either ancestral or convergent.
bioRxiv · Oct 5, 2023Paleontology