† Rissoa houdasi Cossmann, 1907
Alvania houdasi is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.[1]
The length of the shell attains 2.5 mm, its diameter 1 mm.
Fossils of this species were found in Eocene strata in Île-de-France, France.
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This prehistoric gastropod article is a stub. You can help Wikipedia by expanding it.
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