sentences:  Current latitude is 43.4° N. In Western Australia, in Canning Basin, they are found in Frasnian and Famennian, (Upper Devonian), marginal slope and basinal facies related to reef complexes.Paleolatitudes are about 20° S. Current latitude is 18.0° S.
  
  Shells of the type genus "Aulatornoceras" are involute, widely to narrowly umbilicate, with strongly biconvex growth lines.The suture is goniatitic.