Mactra ovata - AbsoluteAstronomy.com

Mactra ovata is a trough shell of 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...

Mactridae

Mactridae, also known as trough shells or duck clams, is a family of marine bivalve clams of the order Veneroida.-Characteristics:...

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