Relatively narrow girdle. Colouration is typically off white or cream but may be partially covered by black deposits of iron or manganese salts
General appearance
![](/sites/default/files/ishno2.jpg)
Size
![](/sites/default/files/Ischno%20alb.jpg)
sculpture
![](/sites/default/files/ishno%20sculpt.jpg)
Girdle
![](/sites/default/files/ishno%20girdle.jpg)
order
50