† Gemmula (Unedogemmula) contigua (Brocchi, 1814) Unedogemmula contigua is an extinct species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.

[1] The length of the shell attains 24 mm.

This extinct marine species was found in Miocene strata in Italy, Spain and Turkey; in Pliocene strata in Alpes-Maritimes, France.

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