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MUSSELpdb
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Unionidae
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Species Richness & Endemism by Geography
Data last updated Thu 18 Dec 2025
Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae
5 genera
Modell, 1942. Arch. Moll. 74(5/6): 188.Modell, 1945. Jena. Z. Med. Naturw. 78: 83.Modell, 1964. Arch. Moll. 93: 112.Habe, 1977. Mollusc. Japan: 116.Type genus: Hyriopsis Conrad, 1853 = Hyriopsis
Modell, 1942. Arch. Moll. 74(5/6): 189.Modell, 1945. Jena. Z. Med. Naturw. 78: 83.Modell, 1964. Arch. Moll. 93: 113.Type genus: Rectidens Simpson, 1900 = Rectidens
Modell, 1942. Arch. Moll. 74(5/6): 190.Modell, 1964. Arch. Moll. 93: 117.Type genus: Nannonaia Haas, 1913 = Elongaria