Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Bivalvia
Subclassis: Palaeoheterodonta
Ordo: Unionida
Superfamilia: Unionoidea
Familia: Unionidae
Genus: Unio
Species (10): U. biwae – U. crassus – U. douglasiae – U. durieui – U. elongatulus – U. gibbus – U. mancus – U. pictorum – U. ravoisieri – U. tumidus
Name
Unio Philipson in Retzius, 1788
Synonyms
Limaea Rosen, 1925
Limella Rafinesque, 1815
Limnaea Poli, 1791
Unis Hutton, 1883
Species names in synonymy
Unio aequatorius Morelet, 1885 = Coelatura gabonensis (Küster, 1862)
Unio gabonensis Küster, 1862 = Coelatura gabonensis (Küster, 1862)
Unio landanensis Schepman, 1891 = Coelatura gabonensis (Küster, 1862)
Unio putzeysi Preston, 1912 = Coelatura gabonensis (Küster, 1862)
Unio roubaudi Germain, 1907 = Coelatura gabonensis (Küster, 1862)
Unio subnigra Preston, 1909 = Coelatura gabonensis (Küster, 1862)
References
Primary references
Retzius, A.J. 1788. Dissertatio historico-naturalis sistens nova testaceorum genera. Quam præside D. M. Andr. J. Retzio (...) ad publicum examen defert Laurentius Münter Philipsson. pp.23. Berling, Lundæ [Lund, Sweden]. Reference page.
Klishko, O.K., Lopes-Lima, M., Froufe, E., Bogan, A.E., Vasiliev, L. & Yanovich, L. 2017. Taxonomic reassessment of the freshwater mussel genus Unio (Bivalvia: Unionidae) in Russia and Ukraine based on morphological and molecular data. Zootaxa 4286(1): 93–112. DOI: 10.11646/zootaxa.4286.1.4. Reference page.
Marrone, F., Nardi, G., Cianfanelli, S., Govedič, M., Barra, S.A., Arculeo, M. & Bodon, M. 2019. Diversity and taxonomy of the genus Unio Philipsson in Italy, with the designation of a neotype for Unio elongatulus C. Pfeiffer (Mollusca, Bivalvia, Unionidae). Zootaxa 4545(3): 339–374. DOI: 10.11646/zootaxa.4545.3.2 Paywall Reference page.
Unio crassus
Unio is a genus of medium-sized freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels.
Unio is the type genus of the family Unionidae.
Species
Species in the genus Unio include:
Unio cariei - extinct[1]
Unio crassus Philipsson, 1788 (Thick shelled river mussel) - near threatened
Unio elongatulus C. Pfeiffer, 1825
Unio gibbus Spengler, 1793
Unio mancus Lamarck, 1819
Unio pictorum (Linnaeus, 1758) (Painter's mussel)
Unio ravoisieri Deshayes, 1848
Unio tumidiformis Castro, 1885
Unio tumidus (Swollen river mussel)
Unio turtoni
Unio valentianus Rossmässler, 1854
References
Bouchet, P. & von Cosel, R. 1996. Unio cariei. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.
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