Roger Weller, geology instructor
dragonfly nymph (mayfly?)-1
Specimen was identified by fossil dealer as a dragonfly nymph.
However, an entomology student has suggested that it is probably a
mayfly nymph because of the three filaments at the end of the body.
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.