However , the Murusraptor holotype also preserved several teeth which were very dissimilar to the one tooth observed in Aerosteon 's holotype .
A very close relative of Aerosteon , Murusraptor , was described in 2016 which preserved some bones with a lesser level of pneumaticity .
The Murusraptor holotype also preserved several teeth which were very dissimilar to the one tooth observed in Aerosteon 's holotype .
A very close relative of Aerosteon , Murusraptor , was described in 2016 which preserved some bones with a lesser level of pneumaticity .