

remaining -Tertiax-j.- Aniusiums of the Oariblaean region have some 

 form of external sculpture cr marking. 



^oourrence .- Upper Oli^p-ooene: Santo Dorainfro (Oahh, 1877-). 

 Lov/er Miocene: ?Bo'.vden beds, Bowden, Jamaica (Dall, 1898). 

 Recent: Gulf of Mexico to Haiti in 30 to CO fathoms, oceiirring 

 in both shallov/ and deep water off 7/est Florida and in deep 

 water onl?; in the 'Jest Indies. 



