Scientific Name	Distribution	Max. Length (cm)	Year
Andracantha baylisi	Atlantic Antarctic		1986
Andracantha gravida	Atlantic Antarctic		1941
Andracantha mergi	Northwest Atlantic		1941
Andracantha phalacrocoracis	Northwest Atlantic		1939
Arhythmorhynchus brevis	Northwest Atlantic		1916
Arhythmorhynchus comptus	Arctic.		1950
Arhythmorhynchus frassoni	Atlantic Ocean		1858
Arhythmorhynchus invaginable	Northeast Atlantic		1890
Arhythmorhynchus longicollis	Atlantic and Arctic Ocean		1875
Arhythmorhynchus petrochenkoi	Arctic Ocean.		1969
Arhythmorhynchus roseum	Northeast Atlantic		1858
Arhythmorhynchus teres	Northeast Atlantic		1920
Arhythmorhynchus tigrinus	Northeast Atlantic		1953
Arhythmorhynchus trichocephalus	North America .		1876
Arhythmorhynchus uncinatus	North America .		1893
Bolbosoma balaenae	Northeast Atlantic		1790
Bolbosoma bobrovoi	Northeast Atlantic		1952
Bolbosoma brevicolle	North Atlantic		1867
Bolbosoma caenoforme	North Atlantic		1920
Bolbosoma capitatum	Atlantic Ocean and the Me		1880
Bolbosoma hamiltoni	Atlantic Ocean and the Me		1929
Bolbosoma heteracanthis	Northeast Atlantic		1917
Bolbosoma nipponicum	Northeast Atlantic		1939
Bolbosoma physeteris	Northeast Atlantic		1952
Bolbosoma scomberomori	Northeast Atlantic		1980
Bolbosoma thunni	Northeast Atlantic		1935
Bolbosoma tuberculata	Northeast Atlantic		1970
Bolbosoma turbinella	Atlantic and Pacific Ocea		1851
Bolbosoma vasculosum	Circumglobal.	1.5 TL	1819
Corynosoma alaskensis	Circumglobal.		1958
Corynosoma arctocephali	Atlantic Antarctic		1984
Corynosoma australe	Pacific to Atlantic Water		1937
Corynosoma beaglense	Southwest Atlantic		2008
Corynosoma bullosum	Atlantic Antarctic		1892
Corynosoma cameroni	Atlantic Antarctic		1953
Corynosoma capsicum	Atlantic Antarctic		1973
Corynosoma clavatum	Southwest Pacific		1941
Corynosoma constrictum	Southwest Pacific		1918
Corynosoma enhydri	Southwest Pacific		1940
Corynosoma evae	Antarctic Atlantic		1984
Corynosoma falcatum	Antarctic Atlantic		1953
Corynosoma gibsoni	Antarctic Atlantic		1986
Corynosoma hadweni	Antarctic Atlantic		1953
Corynosoma hamanni	Atlantic Antarctic		1892
Corynosoma hannae	Atlantic Antarctic		1984
Corynosoma kurilensis	Atlantic Antarctic		1952
Corynosoma longilemniscatus	Atlantic Antarctic		1961
Corynosoma macrosomum	Atlantic Antarctic		1962
Corynosoma magdaleni	Atlantic Antarctic		1958
Corynosoma mandarinca	Atlantic Antarctic		1963
Corynosoma mirabilis	Atlantic Antarctic		1966
Corynosoma obtuscens	Atlantic Antarctic		1943
Corynosoma otariae	Atlantic Antarctic		1961
Corynosoma pacifica	Atlantic Antarctic		1974
Corynosoma pseudohamanni	Atlantic Antarctic		1984
Corynosoma rauschi	Atlantic Antarctic		1958
Corynosoma reductum	Arctic Ocean.		1905
Corynosoma semerme	Northern Atlantic and the		1904
Corynosoma septentrionalis	Northern Atlantic and the		1966
Corynosoma seropedicus	Northern Atlantic and the		1970
Corynosoma shackletoni	Atlantic Antarctic		1978
Corynosoma similis	Atlantic Antarctic		1962
Corynosoma singularis	Atlantic Antarctic		1971
Corynosoma strumosum	Northeast Atlantic and th		1802
Corynosoma tunitae	Northeast Atlantic and th		1914
Corynosoma validum	Northeast Atlantic and th		1953
Corynosoma ventronudum	Northeast Atlantic and th		1959
Corynosoma villosum	Northeast Atlantic and th		1953
Corynosoma wegeneri	Northeast Atlantic and th		1934
Filicollis anatis	Northeast Atlantic		1788
Filicollis trophimenkoi	Northeast Atlantic		1982
Hexaglandula corynosoma	Western Atlantic.	0.4 TL	1915
Hexaglandula karachiensis	Western Atlantic.		1971
Hexaglandula mutabilis	Western Atlantic.		1819
Polymorphus acutis	Western Atlantic.		1940
Polymorphus altmani	Western Central Atlantic		1942
Polymorphus cetaceum	Pacific and Atlantic Ocea		1942
Polymorphus contortus	Pacific and Atlantic Ocea		1821
Polymorphus kenti	Northwest Atlantic		1947
Polymorphus magnus	Northeast Atlantic		1913
Polymorphus minutus	Northeast Atlantic, Weste		1782
Polymorphus obtusus	Northeast Atlantic, Weste		1918
Polymorphus phippsi	Northeast Atlantic		1922
Polymorphus sphaerocephalus	Southern Hemisphere.		1819
Polymorphus texensis	Western Central Atlantic		1948
Polymorphus trochus	Western Central Atlantic		1945
Profilicollis antarcticus	Southwest Pacific.		1985
Profilicollis botulus	Northeast Atlantic		1916
Profilicollis formosus	Northwest Pacific		1967
Profilicollis major	Northwest Pacific		1942
Profilicollis novaezelandensis	Southwest Pacific	2.2 TRKL	2002
Southwellina dimorpha	Southwest Pacific		1973
Southwellina hispida	Southwest Pacific		1925

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Species Identification: Find Species

Family: Polymorphidae (See list of species below)

Family: Polymorphidae

(See list of species below)