Species under Tetrastemma
n= 24
Species name Common name Distribution Max. Length (cm)
Tetrastemma aberrans
Coe, 1901
Northeast Pacific
Tetrastemma bicolor
Coe, 1901
Arctic Sea and the Pacific 6
Tetrastemma caecum
Coe, 1901
Northeast Pacific 1
Tetrastemma candidum
Müller, 1774
Arctic, Atlantic Ocean, Pacific Ocean and the Mediterranean
Tetrastemma coronatum
(Quatrefages, 1846)
Northwest Pacific and the Mediterranean
Tetrastemma fozensis
Gibson & Junoy, 1991
Northeast Atlantic
Tetrastemma helvolum
Bürger, 1895
Northeast Atlantic
Tetrastemma herthae
(Correa, 1963)
Western Atlantic 2
Tetrastemma longistriatum
Wheeler, 1934
Antarctic Atlantic
Tetrastemma melanocephalum
(Johnston, 1837)
Northeast Atlantic and Mediterranean
Tetrastemma nigrifrons
Coe, 1904
White-lined ribbon worm Northern Pacific and Northeast Atlantic
Tetrastemma olgarum
Chernyshev, 1998
Northwest Pacific 7
Tetrastemma phaeobasisae
Kulikova, 1987
Northwest Pacific
Tetrastemma pimaculatum
Chernyshev, 1998
Northwest Pacific
Tetrastemma pinnatum
Iwata, 1954
Northwest Pacific
Tetrastemma pseudocoronatum
Chernyshev, 1998
Northwest Pacific
Tetrastemma robertianae
Mcintosh, 1873
Northeast Atlantic
Tetrastemma stigmatum
(Stimpson, 1857)
Northwest Pacific
Tetrastemma stimpsoni
Chernyshev, 1992
Northwest Pacific
Tetrastemma unilineatum
Joubin, 1910
Antarctic Indian Ocean
Tetrastemma verinigrum
Iwata, 1954
Northwest Pacific 1
Tetrastemma vermiculus
De Quatrefages, 1846
Northeast Atlantic
Tetrastemma worki
Correa, 1961
Western Central Atlantic
Tetrastemma yamaokai
Iwata, 1954
Northwest Pacific
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