archaic primates

Are Plesiadapiforms Archaic Primates? Plesiadapiforms are archaic primates, meaning that they possessed some primate features and lacked others. … Thus, dental similarities were often the first to be noticed by early mammalian paleontologists, partly explaining why plesiadapiforms were thought to be primates. Are plesiadapiforms true primates? Plesiadapiforms, and perhaps plagiomenids, belong to a first wave