Within the mouth of a sea urchin is an elaborate five-sided jaw structure called Aristotles lantern that can be partially extruded from the mouth. It is able to grind up calcareous exoskeletons of plants and animals. [ http://en.wikipedia.org/wiki/Aristotle's_lantern http://purl.obolibrary.org/obo/BTO_0001923 ]
Synonyms: Aristotles lantern
Term information
Term relations
- multi-tissue structure
- in taxon some Echinoidea
- part of some Eumetazoa
- part of some mouth