Busycon perversum (Linnaeus, 1758) Egg Capsules
The spaghetti looking strands attached to the Busycon eggs are Bursatella leachii pleii Rang, 1828 Ragged Seahare eggs.
On mud flat, Kice Island, just south of Marco Island, Collier County, Florida 12/14/2012. Digital image by Amy Tripp.