1. They recognized " Gibbula tantilla " as a valid species, but considered it as possibly extinct. 2. This species was attributed to Wilhelm Dunker by H . A . Pilsbry, 1890 as " Gibbula concinna" 3. In 1963 K . H . Barnard considered this name a synonym and a juvenile form of " Gibbula tryoni" 4. A study by M . Harzhauser and T . Kowalke ( 2002 ) placed this species in the genus " Gibbula ". 5. A study of M . Harzhauser and T . Kowalke ( 2002 ) has put this species in the genus " Gibbula ". 6. (Description of " Gibbula gaudiosa " ) The height of the shell attains 5.6 mm, its diameter 5.7 mm. 7. (Description of " Gibbula fucata " ) The height of the shell attains 5.6 mm, its diameter 7.3 mm. 8. ""'Gibbula adansonii " "'is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. 9. ""'Gibbula adriatica " "'is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. 10. ""'Gibbula beckeri " "'is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
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