Burrow
Fossil
Also called Fossil burrow, Skolithos, Thalassinoides, and Ophiomorpha
About it
Tubes and tunnels dug through sediment and later filled, standing out as rods, pipes, or branching mazes in the rock. Skolithos, Thalassinoides, and the knobby-walled shrimp burrow Ophiomorpha are common kinds.
- Type
- Fossil (trace fossil)
- Group
- Trace fossil
- Colours
- grey, tan, brown, red
- Transparency
- opaque
- Periods
- Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous, Paleogene, Neogene
Typical values: real specimens vary. For more, see mindat.org.