Osteoderms have clearly evolved independently in many different lineages, and these varied structures should be thought of as anatomical analogues, not homologues, and do not necessarily indicate monophyly.
Os osteodermos evolucionaron de forma claramente independente en moitas liñaxes distintas, e estas variadas estruturas deben considerarse análogos anatómicos e non homólogos, e non necesariamente indican monofilia.