Assertion: sea turtle's shell | /r/ObjectUse | used as money
Facets:
value: by australia's indigenous tribes
type: OTHER
value: by sea slugs
type: OTHER
value: by bivalves
type: OTHER
Source sentences:
text: This ecosystem is also notable for zig-zag oysters, octopuses, squid, cowries (the shells of which were once used as money by Australia's indigenous tribes), bivalves, and sea slugs.