Khairkhaniidae Explained

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.^[1]

2005 taxonomy

The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005^[2] 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

Notes and References

1. 10.1134/S0031030106010035 . On the genus Auricullina Vassiljeva, 1998 and shell pores of the Cambrian helcionelloid mollusks . 2006 . Parkhaev . P. Y. . Paleontological Journal . 40 . 1 . 20–06.
2. Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdes A. & Warén A. 2005. Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology, 47(1-2). ConchBooks: Hackenheim, Germany. . ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278