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: Heterodonta
Infraclassis: Euheterodonta
SuperOrdo: Anomalodesmata
Ordo: Pholadomyoida
Superfamilia: Pandoroidea
Familia: Lyonsiidae
Genera (4): Entodesma – Lyonsia – Mytilimeria – Sinolyonsia
Name
Lyonsiidae Fischer, 1887
Lyonsia norvegica
References
Additional references
Safonova, L.A. & Barwick, K.L. 2016. A new species of the genus Policordia (Bivalvia, Verticordioidea, Lyonsiellidae) from off the coast of southern California. ZooKeys 622: 37-46. DOI: 10.3897/zookeys.622.9411. Reference page.
Links
Lyonsiidae in the World Register of Marine Species
Lyonsiidae is a family of small saltwater clams, marine bivalve molluscs in the order Anomalodesmata.
Description
Members of this family have inequivalve, oblong valves that are nearly equilateral. The right valve is more convex than the left, and there are usually no teeth. The ligament connecting the two valves is in an internal groove, and the hinge has a free ossicle.[2]
Genera and species
The World Register of Marine Species lists the following genera and species in the family:[1]
Allogramma Dall, 1903
Allogramma elegans (Thiele & Jaeckel, 1931)
Allogramma formosa (Jeffreys, 1882)
Allogramma oahuense (Dall, 1913)
Bentholyonsia Habe, 1952
Bentholyonsia teramachii (Habe, 1952)
Entodesma Phillips, 1845
Entodesma beana (d'Orbigny, 1853)
Entodesma brasiliense (Gould, 1850)
Entodesma brevifrons (G.B. Sowerby I, 1834)
Entodesma cuneata (Gray, 1828)
Entodesma delicatum (Marincovich, 1973)
Entodesma elongatulum Soot-Ryen, 1957
Entodesma fretalis (Dall, 1915)
Entodesma lucasana (Bartsch & Rehder, 1939)
Entodesma navicula (A. Adams and Reeve, 1850)
Entodesma patagonicum (d'Orbigny, 1846)
Entodesma pictum (G. B. Sowerby I, 1834)
Entodesma saxicola (Baird, 1863)
Entodesma sechuranum Pilsbry & Olsson, 1935
Entodesma solemyalis (Lamarck, 1818)
Entodesma weisbordi Macsotay & Campos, 2001
Lyonsia Turton, 1822
Lyonsia adriatica
Lyonsia alvarezii d'Orbigny, 1846
Lyonsia arcaeforme Martens, 1885
Lyonsia arenosa (Moller, 1842)
Lyonsia argentea Jeffreys, 1881
Lyonsia bracteata (Gould, 1850)
Lyonsia californica Conrad, 1837
Lyonsia cucumerina Ivanova in Scarlato, 1981
Lyonsia floridana Conrad, 1849
Lyonsia granulifera A. E. Verrill and Bush, 1898
Lyonsia hyalina Conrad, 1831
Lyonsia kawamurai Habe, 1952
Lyonsia malvinensis d'Orbigny, 1846
Lyonsia norvegica (J.F. Gmelin, 1791)
Lyonsia nuculaniformis Scarlato, 1981
Lyonsia panamensis Dall, 1908
Lyonsia praetenuis Dunker, 1882
Lyonsia shimkevitch (M. Sars, 1868)
Lyonsia striata (Montagu, 1815)
Lyonsia taiwanica Lan & Okutani, 2002
Lyonsia ventricosa Gould, 1861
Lyonsia vniroi Scarlato, 1981
References
Wikimedia Commons has media related to Lyonsiidae.
Gofas, Serge (2010). "Lyonsiidae". WoRMS. World Register of Marine Species. Retrieved 2012-01-05.
Gordon, W. J. Our Country's Shells: A Guide to the British Mollusca. London: Simpkin, Marshall, Hamilton, Kent & Co.
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