This view was contradicted in a 2007 paper by Chris Bennett, who showed that the pteroid did not articulate as previously thought and could not have pointed forward, but rather inward toward the body as traditionally thought.
Međutim, Chris Bennett je 2007. u jednom članku to snažno poricao i pokazao da pteroidna kost nije bila uzglobljena onako kako se to prije smatralo i da nije mogla biti okrenuta prema naprijed, već prema tijelu.