Khairkhaniidae
# Khairkhaniidae

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
