Strophomenata - Orthotetida - Schuchertellidae

Alternative combination: Parageyerella daijiagouensis

Full reference: X.L. He and M.L. Zhu. 1985. Some Upper Permian new genera and species of Orthotetacea in southwest China. Acta Palaeontologica Sinica 24(2):198-204

Belongs to Tropidelasma according to Z. Q. Chen and Z. T. Liao 2007

See also He and Zhu 1985

Sister taxa: Tropidelasma anthicum, Tropidelasma corniculum, Tropidelasma costellatum, Tropidelasma culmenatum, Tropidelasma curtum, Tropidelasma elongata, Tropidelasma furcillatum, Tropidelasma gregarium, Tropidelasma perattenuatum, Tropidelasma ptomatis, Tropidelasma pygmaeum, Tropidelasma rhamphodes, Tropidelasma robertsi, Tropidelasma strobilum, Tropidelasma triangularis, Tropidelasma undulatum, Tropidelasma yamasugensis, Tropidelasma zhongliangshanensis, Erismatina cooperi

Type specimen: Inst. Mining Tech. of China 8120, a shell (Articulated shell). Its type locality is Daijiagou Section, Hechuan County, which is in a Changhsingian shallow subtidal limestone in the Changxing Formation of China.

Ecology: stationary low-level epifaunal suspension feeder

Distribution: found only at Daijiagou Section, Hechuan County

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Specimen images are retrieved through the ePANDDA API.