Alvania argillensis

Alvania argillensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.

Description

The length of the shell attains 1.6 mm, its diameter 1.1 mm.

Distribution

Fossils of this marine species were found in Oligocene strate in Aquitaine, France (age range: 28.4 to 23.03 Ma)

References

• Lozouet P. (1998). Nouvelles espèces de gastéropodes (Mollusca: Gastropoda) de l'Oligocène et du Miocène inférieur de l'Aquitaine (Sud-Ouest de la France). Cossmanniana. 5(3-4): 61–102.

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