Alvania angusticostata

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

Homonymy
Rissoa angusticostata Sandberger, 1860 is most probably an Alvania too as Alvania angusticostata Sandberger, 1860 with fossils of this marine species found in Oligocene strata in Rhineland-Palatinate, Germany.