Rhynchonellata - Athyridida - Athyrididae

Alternative combinations: Araxathyris guizhouensis, Spirigerella guizhouensis

Synonym: Spirigerella simplex Liao 1987

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 Juxathyris according to H. P. Xu et al. 2019

See also Liao 1980, Liao 1987, Shen and Clapham 2009, Shen et al. 2004, Shen and Zhang 2008, Xu and Grant 1996, Zeng et al. 1995 and Zhang et al. 2014

Sister taxa: Athyris rhynchonelloides, Juxathyris abrupta, Juxathyris apionucula, Juxathyris bisulcata, Juxathyris bisulcatum, Juxathyris doliformis, Juxathyris elongata, Juxathyris gaoqiaoensis, Juxathyris linguformis, Juxathyris mongoliensis, Juxathyris obesa, Juxathyris omeishanensis, Juxathyris orbiculariformis, Juxathyris pinguis, Juxathyris rectimarginalis, Juxathyris shuizhutangensis, Juxathyris subcircularis, Juxathyris zhijinensis, Spirigerella disulcata, Spirigerella gulingensis, Spirigerella leshanensis

Type specimens:

• Juxathyris guizhouensis: NIGP 43785. Its type locality is Jiaozishan Section Bed 16 (AJ-35,34,33), Anshun County, which is in a Wuchiapingian carbonate limestone in China.
• Spirigerella simplex: NIGP 93373. Its type locality is Matan Section ACT545, south bank, Heshan, which is in a Changhsingian offshore limestone in the Dalong Formation of China.

Distribution:

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Specimen images are retrieved through the ePANDDA API.