Hyriidae is a

taxonomic 280px, Generalized scheme of taxonomy Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme of classes (a taxonomy) and the allocation ...

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

of pearly freshwater mussels,

aquatic Aquatic means relating to water; living in or near water or taking place in water; does not include groundwater, as "aquatic" implies an environment where plants and animals live. Aquatic(s) may also refer to: * Aquatic animal, either vertebrate ...

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 in the order

Unionida Unionida is a monophyletic order (biology), order of freshwater mussels, aquatic animal, aquatic bivalve molluscs.Bieler R., Carter J.G. & Coan E.V. (2010). ''Classification of Bivalve families''. pp. 113–133, in: Bouchet P. & Rocroi J.-P. (20 ...

. This family is native to

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

and

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...

. Like all members of that order, they go through a

larva A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...

l stage that is

parasitic Parasitism is a close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The ent ...

on fish (see

glochidium The glochidium (plural glochidia) is a microscopic larval stage of some freshwater mussels, aquatic bivalve mollusks in the families Unionidae and Margaritiferidae, the river mussels and European freshwater pearl mussels. These larvae are t ...

). The classification recognized by Banarescu (1995) uses three subfamilies. This family contains eighteen

genera Genus (; : genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. In binomial nomenclature, the genus name forms the first part of the binomial s ...

Subfamilies and genera

Hyriinae

Genera within the subfamily Hyriinae, from South America, include: * '' Paxyodon'' * '' Castalina'' * '' Chevronaias'' ; Tribe Castaliini * ''

Castalia Castalia (), in ancient Greek and Roman literature, was the name of a spring near Delphi, sacred to the Muses; it is also known as the Castalian Spring. It is said to have derived its name from Castalia, a naiad-nymph, daughter of the river-g ...

'' * '' Castaliella'' * '' Callonaia'' ; Tribe Hyriini * Prisodon obliquus 304146971

'' Prisodon'' * '' Triplodon'' ; Tribe Rhipidodontini * ''

Diplodon ''Diplodon'' is a genus of freshwater pearly mussel, an aquatic bivalve in the Hyriidae family. The genus includes the following species: * ''Diplodon chilensis'' * ''Diplodon delodontus'' * ''Diplodon dunkerianus'' * ''Diplodon expansus'' * '' ...

Cucumerunioninae

Genera within the subfamily Cucumerunioninae, from Australasia, include: * ''

Echyridella ''Echyridella'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. There are three recognised species in the genus, which all live in the waters of New Zealand. They are collectively known in M ...

'' * ''

Cucumerunio ''Cucumerunio'' is a genus of bivalves belonging to the family Hyriidae. The species of this genus are found in Australia. Species: *''Cucumerunio novaehollandiae'' *''Cucumerunio websteri'' References

{{Taxonbar, from=Q20643337 Hyri ...

'' * '' Hyridella'' * '' Virgus''

Velesunioninae

Genera within the subfamily Velesunioninae, from

Australasia Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different context ...

, include: * '' Alathyria'' **''Alathyria jacksoni'', the river mussel (or black river mussel) occurs in

South Australia South Australia (commonly abbreviated as SA) is a States and territories of Australia, state in the southern central part of Australia. With a total land area of , it is the fourth-largest of Australia's states and territories by area, which in ...

. * '' Haasodonta'' * '' Lortiella'' * '' Microdonta'' * '' Velesunio'' * '' Westralunio''

References

{{Authority control Bivalve families Taxa named by William Swainson