| Tropidodiscidae | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda (?) |
| Order: | †Bellerophontida |
| Superfamily: | †Bellerophontoidea |
| Family: | †Tropidodiscidae Knight, 1956[1] |
| Genera | |
|
See text | |
| Synonyms | |
|
Temnodiscinae Horný, 1963 | |
Tropidodiscidae is an extinct family of Paleozoic fossil molluscs with isostrophically coiled shells. They are of uncertain position taxonomically, in other words it is not known whether they were (Gastropoda (snails) or Monoplacophora)s.
Taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[2] categorizes Tropidodiscidae in the superfamilia Bellerophontoidea within the Paleozoic molluscs of uncertain systematic position with isostrophically coiled shells (Gastropoda or Monoplacophora). This family has no subfamilies.
Genera
Genera in the family Tropidodiscidae include:
- Tropidodiscus Meek & Worthen, 1866[3] - type genus of the family Tropidodiscidae
References
- ↑ Knight J. B. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2): 41-42.
- ↑ 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
- ↑ Meek F. B. & Worthen A. H. 1866. Descriptions of invertebrates from the Carboniferous System, Illinois. Geological Survey of Illinois 2:145-411.
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