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Online Version, Updated 9 Dec 2025
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Eschmeyer's Catalog of Fishes
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Extrarius Jordan [D. S.] 1919:342 Masc. Hybopsis tetranemus Gilbert 1886. Type by original designation (also monotypic). •Synonym of Macrhybopsis Cockerell & Allison 1909 -- (Gilbert 1998:16 [ref. 23395], Gilbert et al. 2017:508 [ref. 35222]). Current status: Synonym of Macrhybopsis Cockerell & Allison 1909. Leuciscidae: Pogonichthyinae.

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