 Allosaurus meriani was described in 1870 by Greppin as a species of Megalosaurus , based on a tooth from the Late Jurassic of Switzerland . It has occasionally been referred to Allosaurus , but recent reviews have listed it as dubious theropod species Megalosaurus meriani , or included it in Ceratosaurus sp . Allosaurus stechowi was described in 1920 by Janensch as Labrosaurus stechowi for isolated Ceratosaurus @-@ like teeth from the Tendaguru beds of Tanzania . With the synonymization of Labrosaurus and Allosaurus , Donald F. Glut listed it as a species of Allosaurus , but it is now either assigned to Ceratosaurus sp. or considered a dubious ceratosaurian . 
 Allosaurus meriani was described in 1870 by Greppin as a species of Megalosaurus , based on a tooth from the Late Jurassic of Switzerland . It <a href='been_done' title='1'><mark>has</mark></a> occasionally been referred to Allosaurus , but recent reviews <a href='been_done' title='2'><mark>have</mark></a> listed it as dubious theropod species Megalosaurus meriani , or included it in Ceratosaurus sp . Allosaurus stechowi was described in 1920 by Janensch as Labrosaurus stechowi for isolated Ceratosaurus @-@ like teeth from the Tendaguru beds of Tanzania . With the synonymization of Labrosaurus and Allosaurus , Donald F. Glut listed it as a species of Allosaurus , but it <a href='drop_aux' title='3'><mark>is</mark></a>now either assigned to Ceratosaurus sp. or considered a dubious ceratosaurian . 
Allosaurus meriani was described in 1870 by Greppin as a species of Megalosaurus , based on a tooth from da Late Jurassic of Switzerland . It done occasionally been referred to Allosaurus , but recent reviews done listed it as dubious theropod species Megalosaurus meriani , or included it in Ceratosaurus sp . Allosaurus stechowi was described in 1920 by Janensch as Labrosaurus stechowi fa isolated Ceratosaurus @-@ like teef from tdaTendaguru beds of Tanzania . w/ the synonymization of Labrosaurus and Allosaurus , Donald fuc. Glut listed it as a species of Allosaurus , but it now either assigned to Ceratosaurus sp. or considered a dubious ceratosaurian .