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Kingdom:  Animalia  Linnaeus, 1758
Subkingdom:  Eumetazoa  Butschli, 1910
unranked:  Bilateria  Hatschek, 1888
Superphylum:  Lophotrochozoa  Halanych, Bacheller, Auginaldo, Liva, Hillis & Lake, 1995
Phylum:  Mollusca  Linnaeus, 1758
Class:  Gastropoda  Cuvier, 1795
Subclass  Heterobranchia  Gray J.E., 1840

Clade: Euthyneura  Spengel, 1881
Clade: Euopisthobranchia  Jörger et al., 2010

Clade: Umbraculida  Odhner, 1939
Superfamily: Umbraculoidea  Dall, 1889 (1827)
Family: Tylodinidae  Gray J.E., 1847
Genus: Tylodina  Rafinesque, 1819
Tylodina americana   Dall, 1890
Tylodina corticalis (Tate, 1889) [Umbrella]
Tylodina fungina  Gabb, 1865
Tylodina perversa (Gmelin, 1791) [Patella]
Tylodina sp.  Genus: Rafinesque, 1819
Family: Umbraculidae  Dall, 1889
Genus: Umbraculum  Schumacher, 1817
Umbraculum mediterraneum (Lamarck, 1819)
Umbraculum sinicum (Gmelin,1791)
Umbraculum umbraculum (Lightfoot, 1786) [Patella]


 
 
 
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