Oxygyrus keraudreni (along with Atlanta peronii) attains the largest size (shell diameter to 10 mm) among the Atlantidae. Body coloration is light bluish-purple, with the color darkening with age. The larval shell is See more

The geographical distribution is cosmopolitan in tropical to subtropical waters.
Fossil distribution See more

Oxygyrus keraudreni is a shallow-dwelling species that normally occurs in low abundances. In the Indian Ocean was Oxygyrus keraudreni found essentially limited to the upper 100 m of the water column, with 90% between 50 m and the surface. Similarly, … See more