Oxynoidae
Introduction '''Oxynoidae''' is a family of sea snails, bubble snails, marine gastropod mollusks in the superfamily Oxynooidea, an opisthobranch group.This family has no subfamilies.
Genera The following three genera  or four are included in the family Oxynoidae:* ''Lobiger'' Krohn, 1847* ''Lophopleurella'' Zilch, 1956 with the only species in the genus: ''Lophopleurella capensis'' (Thiele, 1912) from South Africa* ''Oxynoe'' Rafinesque, 1814* ''Roburnella'' Marcus, 1982 with the only species ''Roburnella wilsoni'' (Tate, 1889)Invalid taxa placed in Oxynoidae include:* ''Icarus gravesii'' Forbes, 1844 - type locality: Aegean Sea* ''Lophocercus krohnii'' A. Adams, 1854 - type locality: Hawaiian Islands :* ''Lophocercus sieboldii'' Krohn, 1847 - type locality: Messina, Italy : synonym of ''Oxynoe olivacea'' Rafinesque, 1814* ''Lophocercus viridis'' Pease, 1861 : synonym of ''Oxynoe viridis'' (Pease, 1861)
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