Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/5641
Is Reference of River pearl mussel-en#Sense
Margaritifera margaritifera-la#Sense
Mulette-fr#Sense
Jokihelmisimpukka-fi#Sense
Rivierparelmossel-nl#Sense
Flodpärlemormussla-sv#Sense
Huître perlière-fr#Sense
Flodperlemusling-da#Sense
Mexilhão perlífero do rio-pt#Sense