"About: Species Astacus leptodactylus, Family Astacidae" . . . . "http://lod.geospecies.org/ses/K86m5.rdf" . . . "Peter J. DeVries" . . "en" . . "2010-07-15T12:42:09-0500" . . . "GeoSpecies Knowledge Base RDF: Species Astacus leptodactylus" . .