Name/Title
Brontotheres JawEntry/Object ID
2012.2.20Description
Chemical Composition: Fe,Si,Ni
Crystal System: Monoclinic System
Description: a partial grey-white lower jaw with 5 black angular and articulated teeth
Phylum: Chordata
Age: Eocene
Location: John Day Fossil Beds, Oregon
Description: This specimen is a partial section of the lower jaw, showing good detail.
**Note: The original entry identified this as a rhinoceros jaw. It has been corrected to the current Brontotherid identification. If the locality is correct, the specific name is likely Eubrontotherium clarnoensis.Collection
Mike Hammer Fossil CollectionAcquisition
Accession
2012.2Source or Donor
Mike HammerAcquisition Method
Long-term LoanOther Names and Numbers
Other Number
Other Number: MKH-20Dimensions
Width
4-1/4 inDepth
2-3/4 inLength
9-1/2 inLocation
Location
Rolling Display
FR-12Room
Fossil RoomBuilding
Crater Rock MuseumCategory
ExhibitMoved By
Jillian Mather KettleyDate
August 19, 2025Notes
Location added when performing inventory
