Field guide No. 1390

A huge snail shell lies in a grey quarry, its spiral turning into nested square tunnels at the opening. Nature drew the curve and someone else finished it with a ruler.

The square ended snail shell

Spiral, squared off

A huge snail shell lies in a grey quarry, its spiral turning into nested square tunnels at the opening. Nature drew the curve and someone else finished it with a ruler.

Field noteWhorls of a giant shell turn into nested square tunnels at its mouth, a spiral finished with a set square.

Specimen
No. 1390
Kind
Possible (the golden mountain kind)
Breaks
Scale
Where it doesn’t exist
a grey limestone quarry floor
Nearest existing relative
a stack of square picture frames
Filed in Fresh slop as
Objects

Also possible, also breaking scale