. . "Sphenocoelus was named by Osborn (1895). It is not extant. Its type is Sphenocoelus uintensis. It was assigned to Brontotheriidae by Osborn (1895) and Carroll (1988); and to Dolichorhininae by Mader (1998)."@en . . "Sphenocoelus"@en . "Sphenocoelus was named by Osborn (1895). It is not extant. Its type is Sphenocoelus uintensis. It was assigned to Brontotheriidae by Osborn (1895) and Carroll (1988); and to Dolichorhininae by Mader (1998)."@en . .