ammonites
Stereochia ruani Chen 2004 (lamp shell)

Strophomenata - Productida - Productidae

Full reference: Z. Q. Chen. 2004. Lower Permian reef-dwelling brachiopod faunas from the Tarim Basin, Northwest China: biostratigraphy, palaeoecology and biogeography. Palaeontographica Abteilung A 272(1-4):1-96

Belongs to Stereochia according to Z. Q. Chen 2004

Sister taxa: Stereochia chitichunensis, Stereochia irianensis, Stereochia kaoyaoensis, Stereochia litostyla, Stereochia sumatrensis

Type specimen: IGPS109086, a shell (Conjoined shell)

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 38.7 x 47.8, valve 24.9 x 48.0