ammonites
Semipetasus datianensis Yi 2004 (ostracod)

Ostracoda - Palaeocopida - Kellettinidae

Full reference: W. J. Yi. 2004. Ostracodes from the Upper Permian and Lower Triassic at the Kongtongshan section of Datian, Fujian. Acta Palaeontologica Sinica 43:556-570

Belongs to Semipetasus according to W. J. Yi 2004

Sister taxon: Semipetasus signatus

Type specimen: Its type locality is Kongdongshan Section DMII-17-3, Datian County, which is in a Changhsingian carbonate limestone in the Changxing Formation of China

Ecology: epifaunal suspension feeder

Average measurements (in mm): valve length 0.591