For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles Doolittle Walcott in 1918, it was initially classified as a crustacean.

At the top of this article, it says possums eat insects. You are correct. However, ticks are not insects. While most bug-esque things including ticks are classified in the same domain (Eukaryote), ...

Nathan McIntosh, Rock Hill, South Carolina They were once thought to be most closely related to the Myriapoda (centipedes ... curator of fossil arthropods, National Museum of Natural History ...