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Icelus armatus Nelson, 1984
- Ochotskia armata Schmidt, 1915; (valid as)
- Ochotskia armata Schmidt, 1916; (valid as)
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Icelus bicornis Nelson, 1984
- Cottus bicornis Reinhardt, 1840; (1 homonym)
- Cottus bicornis Reinhardt, 1840; (valid as)
- Icelus hamatus Kro{/yer, 1845; (synonym)
- Icelus hamatus Kroyer, 1845; (synonym)
- Icelus furciger Malm, 1865; (synonym)
- Icelus bicornis derjugini Soldatov, 1926; (synonym)
- Icelus bicornis beringianus Schmidt, 1927; (synonym)
- Icelus bicornis spitzbergensis Schmidt, 1927; (synonym)
- Icelus spatula bispinis Andriashev, 1937; (synonym)
- Icelus uncinalis crassus Andriashev, 1937; (synonym)
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Icelus canaliculatus Gilbert, 1896
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Icelus cataphractus Nelson, 1984
- Agonocottus cataphractus Pavlenko, 1910; (valid as)
- Icelus omodakae Tanaka, 1915; (synonym)
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Icelus ecornis Tsutsui & Yabe, 1996
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Icelus euryops Bean, 1890
- Icelus vicinalis Gilbert, 1896; (synonym)
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Icelus gilberti Taranetz, 1936
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Icelus mandibularis Yabe, 1983
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Icelus ochotensis Schmidt, 1927
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Icelus perminovi Taranetz, 1936
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Icelus rastrinoides Taranetz, 1936
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Icelus spatula Gilbert & Burke, 1912
- Icelus karaensis Soldatov, 1923; (synonym)
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Icelus spiniger Gilbert, 1896
- Icelus spiniger intermedius Lindberg & Andriashev, 1938; (synonym)
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Icelus stenosomus Murai, Nakabo & Kinosita, 1994
- Icelus uncinalis stenosomus Andriashev, 1937; (valid as)
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Icelus uncinalis Gilbert & Burke, 1912