ANATINELLA. 



Shell ovate, equivalve, nearly equilateral, the anterior 

 side heing rounded, and the posterior slightly beaked and 

 subtruncated. The ligament is internal, and fixed to a 

 spoon-shaped process in each valve, on the anterior side 

 of which are placed two rather elongated cardinal teeth. 

 Muscular impressions two, lateral, distant, that which 

 is anterior being oblong and irregular, and the posterior 

 being nearly circular. Muscular impression of the mantle 

 entire, without any sinus. No clavicle or testaceous 

 appendage before the ligamentiferous process. 



Only one species is known, which is found in the sauds 

 on the coast of Ceylon. 



