Unio is a genus of medium-sized freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. They are found throughout Europe...

Unio crassus, the thick shelled river mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels...

Unio pictorum, the painter's mussel, is a species of medium-sized freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels...

Unio mancus is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. Subspecies Unio mancus mancus Lamarck...

Unio turtoni is a species of medium-sized freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. The species is endemic...

Unio tumidus, the swollen river mussel, is a species of freshwater mussel, an aquatic bivalve mollusc in the family Unionidae, the river mussels. Subspecies...

Unio ravoisieri is a species of bivalve belonging to the family Unionidae. It is endemic to North Africa, including at least Algeria and Tunisia. It occurs...

Unio cariei was a species of medium-sized freshwater mussel, an aquatic bivalve mollusc in the family Unionidae. This species was endemic to the island...

Unio delphinus is a species of bivalve belonging to the family Unionidae. This species occurs in the Atlantic basins of the Iberian Peninsula and Morocco...

Unio tumidiformis is a species of bivalve belonging to the family Unionidae. It is endemic to the southwestern Iberian Peninsula. Existing populations...

Unio may refer to: Unio (bivalve), a genus of freshwater mussels Unio (sternwheeler), a steamboat that operated in Oregon, United States, in 1861, before...

Unio gibbus is a species of bivalve belonging to the family Unionidae. The species is found in the Iberian Peninsula and Morocco. "Unio gibbus". Global...

aucklandica was first described by John Edward Gray in 1843 and given the name Unio aucklandicus. It was described again by American malacologist Charles Torrey...

river mussels. Psoronaias crocodilorum (P.M.A. Morelet, 1849) (synonym: Unio crocodillorum P.M.A. Morelet, 1849) Psoronaias distincta (Crosse & P. Fischer...

mussel or rainbow-shell, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. In 2018, Watters proposed...

Elliptio ahenea is a species of bivalve in the family Unionidae. It is endemic to the United States. Bogan, A.E. (1996). "Elliptio ahenea". IUCN Red List...

pondmussel or black pondmussel, is a species of freshwater mussel, an aquatic bivalve in the family Unionidae, the river mussels. NatureServe. "Ligumia subrostrata"...

Valtos Sandstone Formation, noted for an abundance of Neomiodon and Unio bivalves and an absence of oysters until bed 7 - the base of the Duntulm Formation...

Potamilus is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. Species within the genus Potamilus include:...

Lymnaeidae, synonym of Lymnaea Limnaea, a genus of bivalves in the family Unionidae, synonym of Unio Limnae (disambiguation) This disambiguation page lists...

common name the threeridge, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. "Amblema plicata"....

Potomida littoralis is a species of bivalve belonging to the family Unionidae. The species is found in Europe, Mediterranean and Southern Asia. It occurs...

tampicoensis (also known as the Tampico pearly mussel) is a freshwater bivalve mollusc belonging to the family Unionidae. It is indigenous to the rivers...

packages, thus the meaning of the genus name, "folded gills". This aquatic bivalve mollusc is somewhat oval in shape and may reach 10 cm (4 inches) in length...

Margaritifera auricularia is a species of European freshwater mussel, an aquatic bivalve mollusk in the family Margaritiferidae, the freshwater pearl mussels. Formerly...

(Hemistena lata) is an endangered species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae. This species is native to the United States...

Obovaria olivaria is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. It is commonly referred to...

velevruba tupého (Unio crassus). [A contribution to the knowledge of aquatic molluscs of the Bystřice SCI focused on the population of Unio crassus]" (PDF)...

– a Cuban ant Tolumnia gundlachii - a Caribbean orchid Unio gundlachi – a freshwater bivalve Vireo gundlachii – Cuban vireo Xylophanes gundlachii - Cuban...

Pleuronaia barnesiana is a species of bivalve in the family Unionidae, common name Tennessee Pigtoe. It is endemic to the United States. Bogan, A.E. 1996...