 I. ottingeri , described by Peter Galton and James A. Jensen in 1979 , is a nomen dubium based on teeth from the possibly Aptian @-@ age lower Cedar Mountain Formation of Utah . 
 I. ottingeri , described by Peter Galton and James A. Jensen in 1979 , <a href='drop_aux' title='1'><mark>is</mark></a>a nomen dubium based on teeth from the possibly Aptian @-@ age lower Cedar Mountain Formation of Utah . 
I. ottingeri , described by Peter Galton and James A. Jensen in 1979 , a nomen dubium based on teeth from da possibly Aptian @-@ age lower Cedar Mountain Formation of Utah .