Khairkhaniidae

Khairkhaniidae
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
(unranked): incertae sedis
Class: Helcionelloida
Subclass: Divasibranchia
Order: Khairkhaniifomes
Family: Khairkhaniidae
Missarzhevsky, 1989[1]
Genera

See text.

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]

2005 taxonomy

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.

2006–2007 taxonomy

According to the P. Yu. Parkhaev, the Khairkhaniidae is the only family in the order Khairkhaniifomes within the subclass Divasibranchia.

Genera

Genera in the family Khairkhaniidae include:

References

  1. (Russian) Missarzhevsky. (after 10 July) 1989. Drevneishie skeletnye okamenelosti i stratigrafiia pogranichnykh tolshch Dokembriia i Kembiia. (English translation: Oldest skeletal fossils and stratigraphy of Precambrian and Cambrian boundary beds.) Trudy Geologicheskogo Instituta, Akademia Nauk SSSR, 443, 237 pp., 32 plates. Khairkhaniidae is on the page 180.
  2. Parkhaev, P. Y. (2006). "On the genus Auricullina Vassiljeva, 1998 and shell pores of the Cambrian helcionelloid mollusks". Paleontological Journal 40 (1): 20–06. doi:10.1134/S0031030106010035.
  3. 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. ISBN 3-925919-72-4. ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278
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