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Hassar affinis Burgess, 1989
- Oxydoras affinis Steindachner, 1881; (valid as)
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Hassar iheringi Fowler, 1941
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Hassar lipophthalmus Burgess, 1989
- Doras lipophthalmus Kner, 1855; (valid as)
- Oxydoras lipophthalmus Kner, 1855; (valid as)
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Hassar notospilus Burgess, 1989
- Hemidoras notospilus Eigenmann, 1912; (unavailable, no features)
- Hemidoras notospilus Eigenmann, 1912; (valid as)
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Hassar orestis Burgess, 1989
- Oxydoras orestis Steindachner (ex Agassiz), 1875; (valid as)
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Hassar praelongus Myers & Weitzman, 1956
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Hassar ucayalensis Fowler, 1940
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Hassar wilderi Kindle, 1895
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Hassar woodi Fowler, 1941