Bioclaustration is kind of interaction when one

organism In biology, an organism () is any living system that functions as an individual entity. All organisms are composed of cells (cell theory). Organisms are classified by taxonomy into groups such as multicellular animals, plants, and ...

(usually soft bodied) is embedded in a living substrate (i.e. skeleton of another organism); it means “biologically walled -up”. In case of symbiosis the walling-up is not complete and both organisms stay alive (Palmer and Wilson, 1988).

References

* * Ecology Ecology terminology Symbiosis Trace fossils {{ecology-stub