Nucula hartvigiana
Encyclopedia
Nucula hartvigiana is a saltwater nut clam
Clam
The word "clam" can be applied to freshwater mussels, and other freshwater bivalves, as well as marine bivalves.In the United States, "clam" can be used in several different ways: one, as a general term covering all bivalve molluscs...

, a marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 bivalve mollusc in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Nuculidae
Nuculidae
Nuculidae is a family of small saltwater clams in the order Nuculoida. Species in this family are commonly known as nut clams.The nomenclature of the Western European species in this family is still uncertain. Their systematics has been based mainly on their feces. -Genera:* Acila H. Adams and A...

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