Taxon
Dzhaprakoceras djaprakense
Dzhaprakoceras gracile
Dzhaprakoceras grande
Helicocyclus involutus
Intoceras glabrum
Intoceras uralense+
Kozhimites planus+
Michiganites rhipaeus
Muensteroceras frequens
gen.nov.B Kuzina & Konov. (Qualifier: of)