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12 vitrinellidae species
Vitrinella oldroydi
Vitrinella helicoidea
Vitrinella floridana
Vitrinella filifera
Vitrinella columbiana
Vitrinella hemphilli
Vitrinella berryi
Circulus texanus
Vitrinella pseudoaristata
Circulus liratus
Circulus angulatus
Circulus sulcatus
At least 12 characters with a letter and a number.