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Lythrypnus alphigena Bussing, 1990
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?Lythrypnus brasiliensis Greenfield, 1988
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Lythrypnus cobalus Bussing, 1990
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Lythrypnus crocodilus Greenfield, 1988
- Leptophilypnus crocodilus Beebe & Tee-Van, 1928; (valid as)
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Lythrypnus dalli Jordan & Evermann, 1896
- Gobius dalli Gilbert, 1890; (valid as)
- Lythrypnus crinitus Ginsburg, 1939; (synonym)
- Lythrypnus latifascia Ginsburg, 1939; (synonym)
- Microgobius cinctus Nichols, 1952; (synonym)
- Lythrypnus dalli Wiley, 1976
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Lythrypnus elasson Bæhlke & Robins, 1960
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Lythrypnus gilberti Bussing, 1990
- Gobius gilberti Heller & Snodgrass, 1903; (valid as)
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Lythrypnus heterochroma Ginsburg, 1939
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Lythrypnus insularis Bussing, 1990
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Lythrypnus lavenbergi Bussing, 1990
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?Lythrypnus minimus Garzãn & Acero P., 1988
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Lythrypnus mowbrayi Greenfield, 1988
- Rhinogobius mowbrayi Bean, 1906; (valid as)
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Lythrypnus nesiotes Bæhlke & Robins, 1960
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Lythrypnus okapia Robins & Bæhlke, 1964
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Lythrypnus phorellus Bæhlke & Robins, 1960
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Lythrypnus pulchellus Ginsburg, 1938
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Lythrypnus rhizophora Bussing, 1990
- Gobius rhizophora Heller & Snodgrass, 1903; (valid as)
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Lythrypnus solanensis Acero P., 1981
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Lythrypnus spilus Bæhlke & Robins, 1960
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Lythrypnus zebra Wiley, 1976
- Gobius zebra Gilbert, 1890; (valid as)