ammonites
Linoproductus duanwuensis Hu and Jin 1982 (lamp shell)

Strophomenata - Productida - Linoproductidae

Full reference: S. Hu and Y. G. Jin. 1982. Brachiopod taxonomic names. Palaeontological Atlas of East China 2:186-256

Belongs to Linoproductus according to S. Z. Hu and Y. G. Jin 1983

Sister taxa: Linoproductus achunowensis, Linoproductus antonioi, Linoproductus caima, Linoproductus cambodgensis, Linoproductus capillatus, Linoproductus cora, Linoproductus decorus, Linoproductus delicatus, Linoproductus derbyi, Linoproductus distortus, Linoproductus dorotheevi, Linoproductus echinatus, Linoproductus elongata, Linoproductus fujianensis, Linoproductus kaseti, Linoproductus kentrometopon, Linoproductus kharaulakhensis, Linoproductus limatus, Linoproductus lineatus, Linoproductus lutkewitschi, Linoproductus meniscus, Linoproductus nasutus, Linoproductus neffedievi, Linoproductus oklahomae, Linoproductus ovalis, Linoproductus pigrami, Linoproductus planata, Linoproductus planiventralis, Linoproductus pollex, Linoproductus popowi, Linoproductus prattenianus, Linoproductus rhiphaeus, Linoproductus rugiformis, Linoproductus shabulengensis, Linoproductus simensis, Linoproductus superba, Linoproductus tenuistriatus, Linoproductus tingriensis, Linoproductus transcaucasicus, Linoproductus triangularis, Productus (Linoproductus) lahuseni

Type specimen: Nanjing Inst Geol Min Res Br016. Its type locality is Duanwu Section, Chetou, Yudou County, which is in a Wordian marine limestone in the Xiaojiangbian Formation of China.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 33.8 x 30.7, valve 34.3 x 31.3