Pectinoidea
Encyclopedia
Pectinoidea is a superfamily
Taxonomic rank
In biological classification, rank is the level in a taxonomic hierarchy. Examples of taxonomic ranks are species, genus, family, and class. Each rank subsumes under it a number of less general categories...

 of 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
Bivalvia
Bivalvia is a taxonomic class of marine and freshwater molluscs. This class includes clams, oysters, mussels, scallops, and many other families of molluscs that have two hinged shells...

 mollusks.

The Pectinoidea include the following families:
Pectinidae
Pectinidae
The Pectinidae are a family of bivalve mollusks including the scallop and closely related to the clam and oyster. They are hermaphrodite, and the male gonads mature first. Pectinidae can live attached by means of a filament they secrete, or are simply recumbent. Their valves can propel them...

Propeamussiidae
Propeamussiidae
Propeamussiidae is a family of bivalves, related to oysters and scallops. It contains nine genera.-Taxonomy:* Adamussium Thiele, 1934* Amusium Röding, 1798* Arctinula Thiele, 1935* Catillopecten** Catillopecten eucymatus...

Entoliidae
Entoliidae
Entoliidae is a family of bivalves, related to oysters and scallops. It contains at least seven species in five genera.-Taxonomy:* Entolium Meek 1865** Entolium fossatum Marwick 1953** Entolium utokokense Imlay 1961* Pectinella...

Spondylidae

Further reading

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