This Specimen has been sold.
1.9" Lower Cambrian Trilobite (Longianda) With Antennae - Issafen
In the past few of years, deposits near Issafen, Morocco have begun yielding a new assemblage of Early Cambrian trilobites. This is a 1.9" long Longianda termieri (Hupe 1953) trilobite from here that appears to have preserved antennae. I was initially skeptical because I had not previously seen soft bodied preservation for this site. But on magnification it is clear they are antennae with some of the classic segmenting visible.