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Tarimathyris discusella Xu and Grant 1994 (lamp shell)

Rhynchonellata - Athyridida - Athyrididae

PaleoDB taxon number: 134649

Alternative combinations: Araxathyris discusella, Spirigerella discurella, Spirigerella discusella

Full reference: G. Xu and R. E. Grant. 1994. Brachiopods near the Permian-Triassic boundary in South China. Smithsonian Contributions to Paleobiology 76:1-68

Belongs to Tarimathyris according to Z. Q. Chen and G. R. Shi 2006

Sister taxa: Tarimathyris hotanensis, Tarimathyris minima, Tarimathyris ovaloides, Tarimathyris postambigua

Type specimen: USNM 456175, a shell (Articulated shell). Its type locality is Liangfenya, Beifengjing Section, Changxing Fm, which is in a Changhsingian carbonate limestone in the Changxing Formation of China.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 13.4 x 12.5