ammonites
Hollinella martensiformis Crasquin 2010 (ostracod)

Ostracoda - Palaeocopida - Hollinellidae

Full reference: S. Crasquin. 2010. Taxonomic Names, in Ostracods (Crustacea) through the Permian-Triassic boundary in South China: the Meishan stratotype (Zhejiang Province). Journal of Systematic Palaeontology 8(3):331-370

Belongs to Hollinella according to A. Chitnarin 2012

Sister taxa: Hollinella (Hollinella), Hollinella (Praehollinella), Hollinella burlingamensis, Hollinella cristinae, Hollinella cushmani, Hollinella derini, Hollinella elliptica, Hollinella fengqinglaii, Hollinella herrickana, Hollinella panxiensis, Hollinella pirajnoensis, Hollinella shencunensis, Hollinella tingi, Hollinella ulrichi

Type specimen: P6M2381, a carapace

Ecology: epifaunal suspension feeder

Average measurements (in mm): valve length 0.750