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The PTERIOMORPHIA comprise a subclass of saltwater clams, marine bivalve mollusks . It contains several major orders, including the Arcoida , Ostreoida
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 . It also includes the only members of the class bivalvia to have rudimentary eyes.

CONTENTS

* 1 Phylogeny

* 2 2010 Taxonomy

* 2.1 Order: Arcoida * 2.2 Order: Ostreoida
Ostreoida
* 2.3 Order: Pectinoida * 2.4 Order: Limoida * 2.5 Order: Mytiloida * 2.6 Order: Pterioida
Pterioida

* 3 Fossil orders * 4 References

PHYLOGENY

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.

Pteriomorphia

(c. 247 mya) PECTINIDAE

Palliolinae (in part)

Palliolinae (in part) and Camptonectinae

Chlamydinae

(70 mya) Pecten

Flexopecten

(247 mya) Aequipecten

Limidae (file shells)

other Pteriomorphia
Pteriomorphia
(oysters , mussels )

2010 TAXONOMY

In 2010 a new proposed classification system for the Bivalvia
Bivalvia
was published by Bieler, Carter ">

* ^ 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 (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 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 Moore, 1952. Retrieved through: World Register of Marine Species on 7 July 2010. * ^ 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 * NCBI : 6545 * W

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