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The Pteriomorphia
Pteriomorphia
comprise a subclass of saltwater clams, marine bivalve mollusks.[1] It contains several major orders, including the Arcoida, Ostreoida, Pectinoida, Limoida, Mytiloida, and Pterioida. It also contains some extinct and probably basal families, such as the Evyanidae, Colpomyidae, Bakevelliidae, Cassianellidae, and Lithiotidae. This subclass of mollusks has lamellibranch gills, and is epibenthic. Some attach to the substrate using a byssus. The foot is reduced. The mantle margins are not fused. Gills are usually large and assist in feeding. This group includes the well known mussels, scallops, pen shells, and oysters.[2] It also includes the only members of the class bivalvia to have rudimentary eyes.

Contents

1 Phylogeny 2 2010 Taxonomy

2.1 Order: Arcoida[6] 2.2 Order: Ostreoida[7] 2.3 Order: Pectinoida[8] 2.4 Order: Limoida[9] 2.5 Order: Mytiloida[10] 2.6 Order: Pterioida[11]

3 Fossil orders 4 References

Phylogeny[edit] The cladogram is based on molecular phylogeny using mitochondrial (12S, 16S) and nuclear (18S, 28S, and H3) gene markers by Yaron Malkowsky and Annette Klussmann-Kolb in 2012.[3]

Pteriomorphia

(c. 247 mya) Pectinidae

Palliolinae (in part)

Palliolinae (in part) and Camptonectinae

Chlamydinae

(70 mya) Pecten

Flexopecten

(247 mya) Aequipecten

Limidae
Limidae
(file shells)

other Pteriomorphia
Pteriomorphia
(oysters, mussels)

2010 Taxonomy[edit] In 2010 a new proposed classification system for the Bivalvia
Bivalvia
was published by Bieler, Carter & Coan revising the classification of the Bivalvia, including the subclass Pteriomorphia.[4] However, the following taxonomy represents the current accepted arrangement of this subclass according to the World Register of Marine Species[5] Subclass: Pteriomorphia Order: Arcoida[6][edit] (Ark shells and bittersweet shells)

Superfamily: Arcoidea

Family: Arcidae Family: Cucullaeidae Family: Glycymerididae Family: Noetiidae Family: Parallelodontidae

Superfamily: Limopsoidea

Family: Limopsidae Family: Philobryidae

Order: Ostreoida[7][edit] (True oysters and their allies)

Superfamily: Ostreoidea

Family: Gryphaeidae, the foam oysters or honeycomb oysters Family: Ostreidae, the true oysters

Order: Pectinoida[8][edit] (Scallops and their allies)

Superfamily: Anomioidea

Family: Anomiidae, the jingle shells and saddle oysters

Superfamily: Plicatuloidea

Family: Plicatulidae, the kittenpaws

Superfamily: Dimyoidea

Family: Dimyidae, the dimyarian oysters

Superfamily: Pectinoidea

Family: Entoliidae, the entoliids Family: Pectinidae, the scallops Family: Propeamussiidae, the mud scallops Family: Spondylidae, the thorny oysters

Order: Limoida[9][edit] ( File
File
shells and their allies)

Superfamily: Limoidea

Family: Limidae, the file shells

Order: Mytiloida[10][edit] (Saltwater mussels)

Superfamily: Mytiloidea

Family: Mytilidae, the sea mussels

Order: Pterioida[11][edit] (Winged oysters and their allies)

Superfamily: Pinnoidea

Family: Pinnidae, the pen shells

Superfamily: Pterioidea

Family: Malleidae, the hammer oysters Family: Pteriidae, the feather oysters Family: Pulvinitidae, the pulvinitids

Fossil orders[edit]

Cyrtodontoida† Praecardioida†

References[edit]

^ Pteriomorphia
Pteriomorphia
Beurlen, 1944.  Retrieved through: World Register of Marine Species on 26 March 2009. ^ Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 430. ISBN 0-03-056747-5.  ^ Malkowsky, Yaron; Klussmann-Kolb, Annette (May 2012). "Phylogeny and spatio-temporal distribution of European Pectinidae
Pectinidae
(Mollusca: Bivalvia)" (PDF). Systematics and Biodiversity. 10 (2): 233–242. doi:10.1080/14772000.2012.676572.  ^ Bieler, R., Carter, J.G. & Coan, E.V. (2010) Classification of Bivalve
Bivalve
families. Pp. 113-133, in: Bouchet, P. & Rocroi, J.P. (2010), Nomenclator of Bivalve
Bivalve
Families. Malacologia 52(2): 1-184 ^ Gofas, S. (2014). "Pteriomorphia". World Register of Marine Species. Retrieved 2014-08-19.  ^ Arcoida
Arcoida
Stoliczka, 1871.  Retrieved through: World Register of Marine Species on 3 February 2009. ^ Ostreoida
Ostreoida
Ferussac, 1822.  Retrieved through: World Register of Marine Species on 9 July 2010. ^ Pectinoida Gray, 1854.  Retrieved through: World Register of Marine Species on 9 July 2010. ^ Limoida
Limoida
Moore, 1952.  Retrieved through: World Register of Marine Species on 7 July 2010. ^ Mytiloida
Mytiloida
Ferussac, 1822.  Retrieved through: World Register of Marine Species on 9 July 2010. ^ Pterioida
Pterioida
Newell, 1965.  Retrieved through: World Register of Marine Species on 9 July 2010.

Wikispecies
Wikispecies
has information related to Pteriomorphia

Taxon identifiers

Wd: Q131403 ADW: Pteriomorphia EoL: 2575839 Fossilworks: 244396 ITIS: 79324 NCB

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