Strophomenata - Productida - Productellidae

Full reference: L. Lee and F. Gu. 1980. Carboniferous and Permian Brachiopoda. Paleontological Atlas of Northeast China 1:327-428

Belongs to Haydenella according to L. Lee and F. Gu 1980

Sister taxa: Haydenella bihemisphaera, Haydenella buravasi, Haydenella carina, Haydenella chilianshaniana, Haydenella deminuta, Haydenella dutkevitchi, Haydenella elongata, Haydenella eminens, Haydenella gefoensis, Haydenella granti, 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: Its type locality is Jalaid Qi, Undivided, which is in a Roadian/Capitanian marine horizon in China

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 16.3 x 30.1