Teretia ancepsTeretia anceps is an extinct species of sea snail, a marine gastropod mollusk in the family Raphitomidae.DescriptionThe length of the shell reaches 11.5 mm, its diameter 4 mm.DistributionFossils of this marine species were found in Upper Pliocene strata in Alpes-Maritimes, France and in Italy; also in Middle Miocene strata in Poland.