Late Oligocene [details]
Belgrade Formation [details]
Trent Formation [details]
Belgrade quarry, North Carolina, USA [details]
Polocksville state quarry, North Carolina, USA [details]
Pollockville state quarry, North Carolina, USA [details]
New Bern quarry, North Carolina [details]
HT: USNM 398476; PT: USNM 398477-398479; 492097-492100 [details]
HT: USNM 398338; PT: USNM 398337, 398339-398341, 492101-492124 [details]
HT: USNM 398321; PT: USNM 398322, 398323, 398474 [details]
HT: USNM 398324; PT: USNM 398325, 492065-492096 [details]