Amphithalamus immigrus is an extinct species of minute sea snails, marine gastropod mollusks or micromollusks in the family Anabathridae.
Distribution
Fossils of this species were found in Aquitaine, France.
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.