![Amoeboceras rosenkrantzi](http://www.geoed.co.uk/cdn/shop/products/pictrilonew_2d8bf491-58ed-4dd4-a9b2-7797fc2d157f_{width}x.png?v=1582037190)
A very fine coarsely ribbed adult retaining most of the test, showing one side and the venter only. The umbilical seam uncoils over the last 1/2 whorl, the ribbing retains its strength to the end of the body chamber and the peristome is entire with a forwards projecting lappet 4 mm long. From Scotland, UK.