Trenella
Trenella is the sole genus in the Trenellidae, an extinct family of paleozoic Yochelcionellids.
| Trenella | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | †Helcionelloida |
| Order: | †Helcionelliformes |
| Family: | †Trenellidae |
| Genus: | †Trenella Parkhaev, 2001[1] |
2005 taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[2] categorizes Trenellidae in the superfamilia Yochelcionelloidea within the Paleozoic molluscs of uncertain systematic position. This family has no subfamilies.
2006-2007 taxonomy
According to P. Yu. Parkhaev, the family Trenellidae is in the superfamily Yochelcionelloidea Runnegar & Jell, 1976 within the order Helcionelliformes Golikov & Starobogatov, 1975, subclass Archaeobranchia Parkhaev, 2001, class Helcionelloida Peel, 1991.
Genera
Genera in the family Trenellidae include:
- Trenella Parkhaev, 2001 - type genus of the family Trenellidae
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gollark: So not absolute rarity as much as number which should be in existence vs numbers which are, right?
gollark: It's ratios based or whatever.
gollark: Easier than serving a few hundred HTTP requests a second.
gollark: Any decent computer can easily generate a few random picks from a list.
References
- Parkhaev P. Yu. 2001. Molluscs and siphonoconchs. In: Alexander E. M. et al. (eds.) The Cambrian biostratigraphy of the Stansbury basin, South Australia. Transactions of the Paleontological Institute, Russian Academy of Sciences, 282: 133-210, plates 24-54. Trenellidae on the page 166.
- Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdés Á. & 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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