Longfordian, Early Miocene [details]
Mannum Formation [details]
originally referred to the genus Echinobrissus; not mentioned in Lambert & Thiéry (1909-25); revised by Holmes ... [details]
Murray River, South Australia [details]
HT: NMV P148496; PT: NMV P148385-148395 [details]
HT: NMV P148399; PT: NMV P148396-148398, 148400 and 148401 [details]