Pectinida is a
taxonomic order
Order, ORDER or Orders may refer to:
* A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
...
of large and medium-sized saltwater clams,
marine bivalve
Bivalvia () or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class (biology), class of aquatic animal, aquatic molluscs (marine and freshwater) that have laterally compressed soft bodies enclosed b ...
mollusc
Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...
s, commonly known as
scallop
Scallop () is a common name that encompasses various species of marine bivalve molluscs in the taxonomic family Pectinidae, the scallops. However, the common name "scallop" is also sometimes applied to species in other closely related famili ...
s and their allies. It is believed that they began evolutionarily in the late
Middle Ordovician epoch; many species, of course, are still extant.
2010 taxonomy
In 2010 a new proposed classification system for the Bivalvia was published by Bieler, Carter & Coan, revising the classification of the Bivalvia, including the order Pectinida.
[Bieler, R., Carter, J.G. & Coan, E.V. (2010) ''Classification of Bivalve families''. Pp. 113-133, in: Bouchet, P. & Rocroi, J.P. (2010), ''Nomenclator of Bivalve Families. Malacologia'' 52(2): 1-184]
*Superfamily:
Anomioidea
**Family:
Anomiidae
Anomiidae is a family of saltwater clams, marine bivalve molluscs related to scallops and oysters, and known as anomiids. It contains seven genera.
The family is known by several common names, including jingle shells, mermaid's toenails, and ...
(jingleshells)
**Family:
Placunidae (windowpaneshells)
*Superfamily:
Plicatuloidea
**Family:
Plicatulidae (kittenpaws)
*Superfamily:
Dimyoidea
**Family:
Dimyidae (dimyids)
*Superfamily:
Pectinoidea
The Pectinoidea are a Taxonomic rank, superfamily of marine (ocean), marine bivalve molluscs, including the scallops and spiny oysters.Gofas, S. (2012). Pectinoidea. Accessed through: World Register of Marine Species at http://www.marinespecies.o ...
**Family:
Entoliidae
**Family:
Pectinidae
Scallop () is a common name that encompasses various species of Marine (ocean), marine bivalve mollusc, molluscs in the Taxonomy (biology), taxonomic Family (biology), family Pectinidae, the scallops. However, the common name "scallop" is also ...
(scallops)
**Family:
Propeamussiidae
Propeamussiidae, sometimes referred to as glass scallops mud scallops or mud pectens, are a Taxonomy (biology), taxonomic family (biology), family of saltwater clams, marine (ocean), marine bivalve molluscs in the order Pectinida. As members of t ...
(mud scallops)
**Family:
Spondylidae
''Spondylus'' is a genus of bivalve molluscs, the only genus in the family (biology), family Spondylidae and subfamily Spondylinae. They are known in English as spiny oysters or thorny oysters (although they are not, in fact, true oysters, but ...
(thorny oysters)
References
Bivalve orders
Middle Ordovician first appearances
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