Premodifier: shallow
Head noun: sea

Same concepts
http://dbpedia.org/resource/Inland_sea_(geology)

Broader concepts

labelprovenanceconfidence
albumisap:4705357000.267154

Narrower concepts

labelprovenanceconfidence
north americaisap:5084692010.610680
north seaisap:2817407160.543241
coralisap:3258517620.268589