The Pteriida are an

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 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 ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s. It includes five families, among them the

Pteriidae Pteriidae, also called the feather oysters, is a family (biology), family of medium-sized to large saltwater oysters. They are pearl oysters, Marine (ocean), marine bivalve mollusks in the order Pteriida. Some of the species in this family are i ...

(pearl oysters and winged oysters).

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 suborder Pteriida. *Superfamily Ambonychioidea **Family †

Alatoconchidae Alatoconchidae is an extinct family of prehistoric bivalves that lived in the early to middle Permian period. Genera belonging to Alatoconchidae are characterized by their shell that is strongly compressed in the dorsoventral direction. Some spec ...

**Family † Ambonychiidae **Family †

Inoceramidae The Inoceramidae are an extinct family of bivalves ("clams") in the Class Mollusca. Fossils of inoceramids are found in marine sediments of Permian to latest Cretaceous in age. Inoceramids tended to live in upper bathyal and neritic environment ...

**Family † Lunulacardiidae **Family † Monopteriidae **Family † Myalinidae **Family † Mysidiellidae **Family †

Ramonalinidae Ramonalinidae is an extinct family of marine bivalve molluscs from the late Anisian (early Middle Triassic The Triassic ( ; sometimes symbolized 🝈) is a geologic period and system which spans 50.5 million years from the end of the Permia ...

*Superfamily

Pinnoidea The pinnidae are a taxonomic family of large saltwater clams sometimes known as pen shells. They are marine bivalve molluscs in the order Pteriida. Shell description The shells of bivalves in this family are fragile and have a long and triangu ...

**Family

Pinnidae The pinnidae are a taxonomic family of large saltwater clams sometimes known as pen shells. They are marine bivalve molluscs in the order Pteriida. Shell description The shells of bivalves in this family are fragile and have a long and triang ...

*Superfamily † Posidonioidea Neumayr, 1891 **Family † Posidoniidae Neumayr, 1891 (Devonian to Cretaceous) **Family † Aulacomyellidae Ichikawa, 1958 **Family † Daonellidae Neumayr, 1891 **Family † Halobiidae Kittl, 1912 (Devonian to Triassic) *Superfamily

Pterioidea Pterioidea is a superfamily of epifaunal marine bivalves mostly inhabiting continental shelf regions of tropical and subtropical oceans. The superfamily includes the economically-important saltwater pearl oysters as well as the oddly shaped ha ...

**Family †

Bakevelliidae Bakevelliidae is an extinct family (biology), family of prehistoric bivalves that lived from the Late Mississippian age, Mississippian until the Middle Eocene.

(

Triassic The Triassic ( ; sometimes symbolized 🝈) is a geologic period and system which spans 50.5 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.4 Mya. The Triassic is t ...

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

) **Family †

Cassianellidae Cassianellidae is a small extinct family of prehistoric bivalves which lived from the Middle Triassic, Ladinian stage through the Late Triassic Norian stage.

(Middle to Late Triassic) **Family † Kochiidae **Family

Malleidae Malleidae, or hammer oysters, is a family of saltwater clams. They are related to the pearl oysters, in the order PteriidaGofas, S. (2011). Malleidae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p= ...

**Family † Pergamidiidae (Triassic to

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

) **Family † Plicatostylidae (

Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. ...

) **Family † Posidoniidae **Family † Pterineidae **Family

**Family Pulvinitidae **Family † Retroceramidae *Superfamily † Rhombopterioidea Korobkov in Eberzin, 1960 **Family † Rhombopteriidae Korobkov in Eberzin, 1960 (

Silurian The Silurian ( ) is a geologic period and system spanning 23.5 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the third and shortest period of t ...

Devonian The Devonian ( ) is a period (geology), geologic period and system (stratigraphy), system of the Paleozoic era (geology), era during the Phanerozoic eon (geology), eon, spanning 60.3 million years from the end of the preceding Silurian per ...

) **Family † Umburridae P. A. Johnston, 1991 (Silurian)

References

{{Authority control Bivalve orders