ammonites
Leptodus trapezium Termier et al. 1974 (lamp shell)

Strophomenata - Productida - Lyttoniidae

Full reference: G. Termier, H. Termier, A.F. Lapparent and P. Marin. 1974. Monographie du Permo-Carbonifère de Wardak (Afghanistan Central). Documents des Laboratoires de Géologie de la Faculté des Sciences de Lyon, Hors Série 2:1-165

Belongs to Leptodus according to G. Termier et al. 1974

Sister taxa: Leptodus cancriniformis, Leptodus deminutus, Leptodus elongatus, Leptodus guadalupensis, Leptodus hemisphaericus, Leptodus hoshanensis, Leptodus huangi, Leptodus kaluzinensis, Leptodus minor, Leptodus nobilis, Leptodus oldhaminoides, Leptodus ovatus, Leptodus richthofeni, Leptodus tenuis, Leptodus tumenlingensis, Leptodus wuchangensis

Ecology: stationary low-level epifaunal suspension feeder