''Margaritifera'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
freshwater mussel
Freshwater bivalves are one kind of freshwater mollusc, along with freshwater snails. They are bivalves that live in fresh water as opposed to salt water, which is the main habitat type for bivalves.
The majority of species of bivalve molluscs ...
s,
aquatic bivalve
Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bival ...
mollusc
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...
s in the family
Margaritiferidae
Margaritiferidae is a family of medium-sized freshwater mussels, aquatic bivalve molluscs in the order Unionida. Text may have been copied from this source, which is available under Attribution 4.0 International (CC BY 4.0)licence. It is the m ...
, the freshwater
pearl
A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil conulariids. Just like the shell of a mollusk, a pearl is composed of calcium carb ...
mussels.
[MolluscaBase eds. (2021). MolluscaBase. Margaritifera Schumacher, 1815. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=571966 on 2021-06-22]
Species
Species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
within the genus ''Margaritifera'' include:
* ''
Margaritifera auricularia
''Margaritifera auricularia'' is a species of European freshwater mussel, an aquatic bivalve mollusk in the family Margaritiferidae, the freshwater pearl mussels. Formerly found throughout western and central Europe, the species is now critic ...
'' or ''Pseudunio auricularia''
* ''
Margaritifera falcata''
(Gould
Gould may refer to:
People
* Gould (name), a surname
Places United States
* Gould, Arkansas, a city
* Gould, Colorado, an unincorporated community
* Gould, Ohio, an unincorporated community
* Gould, Oklahoma, a town
* Gould, West Virginia, a ...
, 1850)
* ''
Margaritifera hembeli''
(Conrad, 1838)
* ''
Margaritifera margaritifera
The freshwater pearl mussel (''Margaritifera margaritifera'') is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae.
Although the name "freshwater pearl mussel" is often used for this species, ...
''
(Linnaeus
Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
, 1758
Events
January–March
* January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of Systema Naturae, 10th edition of ''Systema Naturae'', the sta ...
) — Freshwater pearl mussel (includes ''
Margaritifera margaritifera durrovensis''
Phillips, 1928)
* ''
Margaritifera marrianae''
R. I. Johnson, 1983
The following fossil species are known from the mid-
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...
of
Mongolia
Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...
, being formerly classified in the genus ''
Unio'':
* †''
Margaritifera elongata'' (
Martinson, 1982)
* †''
Margaritifera sainshandensis'' (
Martinson, 1982)
* †''
Margaritifera glabra'' (
Kolesnikov, 1956)
References)
* Starobogatov, Y. I. (1970). Fauna Molliuskov i Zoogeograficheskoe Raionirovanie Kontinental'nykh Vodoemov Zemnogo Shara
Nauka. Leningrad. 372 p., 12 tables.
* Ma, Q.-H. (1996). Revision of Mesozoic Margaritiferidae in China and their development. Acta Palaeontologica Sinica. 35(4): 408-429.
External links
Schumacher, C. F. (1815). Afhandling over conchyliologiske systemer, og om nogle toskallede conchylier. Oversigt over det Kongelige Danske Videnskabernes Selskabs Forhandlinger (Bulletin de l'Académie Royale des Sciences et des Lettres de Danemark). 1813-1815: 7Schumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. Schultz, Copenghagen. iv + 288 pp., 22 pls.Fagot, P. (1890-1894). Histoire malacologique des Pyrénées Françaises et Espagnoles. Bulletin de la Société Ramond Bolotov I.N., Vikhrev I.V., Bespalaya Y.V., Gofarov M.Y., Kondakov A.V., Konopleva E.S., Bolotov N.N. & Lyubas A.A. (2016). Multi-locus fossil-calibrated phylogeny, biogeography and a subgeneric revision of the Margaritiferidae (Mollusca: Bivalvia: Unionoida). Molecular Phylogenetics and Evolution. 103: 104-121
Bivalve genera
{{Bivalve-stub
Extant Cretaceous first appearances