Strophomenata - Productida - Productellidae

Full reference: Z. T. Liao. 1980. Upper Permian brachiopods from western Guizhou. Late Permian Stratigraphy and Fossils in Western Guizhou and Eastern Yunnan 241-277

Belongs to Haydenella according to Z. T. Liao 1980

Sister taxa: Haydenella bihemisphaera, Haydenella buravasi, Haydenella carina, Haydenella chilianshaniana, Haydenella deminuta, Haydenella dutkevitchi, Haydenella eminens, Haydenella gefoensis, Haydenella granti, Haydenella heilongjiangensis, Haydenella khasorensis, Haydenella kiangsiensis, Haydenella libera, Haydenella miaolingensis, Haydenella minuta, Haydenella nanusa, Haydenella paradoxica, Haydenella plicata, Haydenella qinglongensis, Haydenella salinaria, Haydenella subextensa, Haydenella tersa, Haydenella wangqingensis, Haydenella wenganensis, Haydenella wilczeki, Haydenella zhejiangensis, Productus (Haydenella) quaesitus

Type specimen: NIGP 43603. Its type locality is Jiaozishan Section Bed 14 (AJ-29,28,27,26), Anshun County, which is in a Wuchiapingian marine siltstone/limestone in China.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 17.8 x 14.6