About: http://webisa.webdatacommons.org/48598768

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I am going to have to search for the link, but there was a fossil found not too terribly long ago of a theropod dinosaur that has soft-tissue preservation showing it had an air-sac lung.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com