Helcionelloida - Helcionellida - Igarkiellidae

Alternative combination: Bemella mirabilis

Synonyms: Igarkiella levis Vassiljeva 1990, Trilobella levis Vassiljeva 1990

Full reference: W. Yü. 1979. Earliest Cambrian monoplacophorans and gastropods from western Hubei with their biostratigraphical significance. Acta Palaeontologica Sinica 18(3):233-270

Belongs to Igarkiella according to Demidenko and Parkhaev 2006

Sister taxon: Igarkiella carinata

Type specimens:

• Igarkiella mirabilis: Its type locality is Truncatoconus yichangen - Cambrospira sisensi assemblage, Yangtze Gorge, Yichang, which is in a Tommotian carbonate phosphorite in the Huangshandong Formation of China
• Igarkiella levis: