About: http://webisa.webdatacommons.org/217041269

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	Form of shell, an elongated oval, the first and second whirls being about equal in diameter, the third is a little smaller, then the shell slopes to a rather acute point, forming an angle of fifty-eight degrees.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu