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
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Knefastia
Species:
K. polygona
Binomial name
Knefastia polygona
(G.P. Deshayes, 1834 )
Synonyms
  • Surcula polygona (Deshayes, 1834)
  • Turricula (Knefastia) polygona Deshayes, 1834

Description

The length of the shell attains 20 mm.

Distribution

This extinct marine species was found in Eocene strata in the Paris basin, France.

References

  1. "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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