Strophomenata - Productida - Productellidae

Full reference: G. Crippa and L. Angiolini. 2012. Guadalupian (Permian) brachiopods from the Ruteh limestone, north Iran. GeoArabia 17:125-176

Belongs to Haydenella according to G. Crippa and L. Angiolini 2012

Sister taxa: Haydenella bihemisphaera, Haydenella buravasi, Haydenella carina, Haydenella chilianshaniana, Haydenella deminuta, Haydenella dutkevitchi, Haydenella elongata, 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: MPUM 10770, a valve (ventral valve). Its type locality is Shirinabad section IR648, Elburz Mountains, which is in a Capitanian carbonate wackestone in the Ruteh Formation of Iran.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 11.4 x 10.8