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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.[2]
| Khairkhaniidae | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | †Helcionelloida |
| Subclass: | †Divasibranchia |
| Order: | †Khairkhaniiformes |
| Family: | †Khairkhaniidae Missarzhevsky, 1989[1] |
| Genera | |
|
See text | |
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[3] categorizes Khairkhaniidae within the Paleozoic molluscs of uncertain systematic position. This family is unassigned to superfamily. This family has no subfamilies.
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
- Order Khairkhaniifomes Parkhaev, 2001
- Subclass Divasibranchia Minichev & Starobogatov, 1975
Genera in the family Khairkhaniidae include:
- Khairkhania Missarzhevsky, 1981 - type genus of the family Khairkhaniidae
- Khairkhania rotata Missarzhevsky, 1981
- Barskovia
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