McGowan, Christopher. <br/><br/>
Department of vertebrate palaeontology. 

 - Ontario-CA :   Royal Ontario Museum,   1980. 
 - páginas 34-35 :   ilustraciones blanco y negro 
 - Anual 
 - No.30 (Jul/Jun 1979-1980) 
 - Annual report ;   no.30 .
 - Royal Ontorio Museum. .