DiscotectonicaDiscotectonica is a genus of sea snails, marine gastropod mollusks in the family Architectonicidae, the staircase shells or sundials.DistributionThis genus occurs in the Atlantic Ocean off the Canaries and West African, in European waters and the Mediterranean Sea.SpeciesSpecies within the genus Discotectonica include:Discotectonica acutissima Discotectonica alfi Thach, 2017Discotectonica discus Discotectonica nipponica Discotectonica petasus Discotectonica placentalis ''Discotectonica pseudoperspective''