Zoophycos Massalongo, 1855
Spreiten-filled structures that are comprised of numerous but small U- to J-shaped protusive burrows that vary in length and orientation. Spreiten are arranged in helix-like patterns in circular to lobate shapes around a central shaft or tunnel.
Fodinichina; feeding burrows of deposit feeders.
Shallow to deep marine
Annelid worms, arthropods.
Found in the shallow-water deposits during the Paleozoic; found mostly in deep-water deposits after the Paleozoic.