Knefastia polygona
Knefastia polygona is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.[1]
| Knefastia polygona | |
|---|---|
 | |
| Shell of Knefastia polygona (Specimen at MNHN, Paris) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Clade: | Caenogastropoda |
| Clade: | Hypsogastropoda |
| Clade: | Neogastropoda |
| Superfamily: | Conoidea |
| Family: | Pseudomelatomidae |
| Genus: | Knefastia |
| Species: | K. polygona |
| Binomial name | |
| Knefastia polygona (G.P. Deshayes, 1834 ) | |
| Synonyms | |
| |
Description
The length of the shell attains 20 mm.
Distribution
This extinct marine species was found in Eocene strata in the Paris basin, France.
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References
- "WMSD - Worldwide Mollusc Species Database – Knefastia polygona". bagniliggia.it. Retrieved 8 November 2018.
- Deshayes, G. P., 1834–1835, Description des coquilles fossiles des environs de Paris, t. II, fasc. 5 et 6, in-4°, Paris, 1834–1835.
- Cossmann (M.) & Pissarro (G.), 1913 Iconographie complète des coquilles fossiles de l'Éocène des environs de Paris, t. 2, p. pp. 46–65
- Le Renard (J.) & Pacaud (J.-M.), 1995 Révision des Mollusques paléogènes du Bassin de Paris. 2 - Liste des références primaires des espèces. Cossmanniana, t. 3, vol. 3, pp. 65–132
- Caze (B.), Merle (D.), Saint Martin (J.-P.) & Pacaud (J.-M.), 2012 Les mollusques éocènes se dévoilent sous ultraviolets. Fossiles. Revue française de paléontologie, t. hors série n° 3, pp. 15–56
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