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.
- 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
Genera in the family Khairkhaniidae include:
- Khairkhania Missarzhevsky, 1981 - type genus of the family Khairkhaniidae
- Khairkhania rotata Missarzhevsky, 1981
References
- ↑ (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.
- ↑ 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.
- ↑ 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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