Fig. 1 © UWLAX

Fig. 1 shows the bottom of the E. alderi shell, note how indistinctive the markings are.

Fig. 2 © UWLAX

Fig. 2 Shows the copper brown shine that the shell of an Euconulus alderi snail has and the fine ribbed markings.

Fig. 3 © UWLAX

Fig. 3 is a top view of the shell, displays the distinct ribs.

Fig. 4 © UWLAX

Fig. 4 is a side view of the shell, showing the size and shape, it also gives you an idea of what the snail would look like if you stumbled upon it.