Talk:Petrolacosaurus

Latest comment: 15 years ago by Phthinosuchusisanancestor

I asked this question about Biarmosuchus, What is our relation to the species? Are we brothers or cousins or what? Phthinosuchusisanancestor (talk) 16:19, 31 December 2008 (UTC)PhthinosuchusisanancestorReply