Genus

Lophonema Ulrich, 1916

Klassificering
Organism groupBiota
KingdomAnimalia
PhylumMollusca
ClassGastropoda
SubclassEogastropoda
OrderEuomphalina
SuperfamilyEuomphaloidea
FamilyHelicotomidae
GenusBoucotspira
Helicotoma
Lophonema
Palaeomphalus