A partial Ammonite fossil.
Septa are extracted.

 

Category : Ammonites
Species name : Baculites sp.
Age : Late Cretaceous (99.6-65.5Ma)
Locality : South Dacota, U.S.A.
Image width : 38.3mm
Specimen provided by : Tohoku University
CT data provided by : Tohoku University Museum
View type : Surface rendering (Vertex)