Throughout the 1990s and 2000s , debates over its classification continued , with some researchers suggesting it might be related to macroscelidids ( elephant shrews ) .
Others supported initial interpretations as adapids or plesiadapiforms .
Throughout the 1990s and 2000s , debates over its classification continued , with some researchers suggesting it might be related to macroscelidids ( elephant shrews ) , while others supported initial interpretations as adapids or plesiadapiforms .