Khairkhaniidae
Introduction '''Khairkhaniidae''' is an extinct family of Paleozoic fossil molluscs of uncertain position. They are thought to belong to either the Gastropoda or Monoplacophora.They possess planispiral coiled shells with a columnar microstructure.
2005 taxonomy The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 categorizes Khairkhaniidae within the Paleozoic molluscs of uncertain systematic position. This family is unassigned to superfamily. This family has no subfamilies.
2006–2007 taxonomy According to the P. Yu. Parkhaev, the Khairkhaniidae is the only family in the order Khairkhaniifomes within the subclass Divasibranchia. * Class Helcionelloida** Subclass '''Divasibranchia''' Minichev & Starobogatov, 1975*** Order '''Khairkhaniifomes''' Parkhaev, 2001**** Family '''Khairkhaniidae''' Missarzhevsky, 1989
Genera Genera in the family Khairkhaniidae include:* ''Khairkhania'' Missarzhevsky, 1981 - type genus of the family Khairkhaniidae** ''Khairkhania rotata'' Missarzhevsky, 1981* Barskovia
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