Rhynchonellata - Terebratulida - Gillediidae

Full reference: L. Angiolini and M. Zarbo. 2006. Systematic descriptions, in New records and new taxa of Permian brachiopods from the Khuff Formation, Midhnab Member, central Saudi Arabia. GeoArabia 11(4):45-57

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

Sister taxon: Omanilasma desertica

Type specimen: MPUM 9370, a shell (Articulated shell). Its type locality is Haushi ring AO45, which is in a Wordian carbonate limestone in the Khuff Formation of Oman.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 23.4 x 16.9, valve 17.0 x 12.2