ammonites
Bisolcatelasma iraniana Crippa and Angiolini 2012 (lamp shell)

Rhynchonellata - Terebratulida - Gillediidae

Full reference: G. Crippa and L. Angiolini. 2012. Guadalupian (Permian) brachiopods from the Ruteh limestone, north Iran. GeoArabia 17:125-176

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

Sister taxa: none

Type specimen: MPUM 10870, a shell. Its type locality is Shirinabad section IR649, Elburz Mountains, which is in a Capitanian carbonate lime mudstone in the Ruteh Formation of Iran.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): valve 29.5 x 17.4