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Three new species of saddled hypostomine loricariids are described. According to a recent phylogenetic analysis, these species are members of the genus    Peckoltia   . The species differ from all described    Peckoltia    except    P.   furcata    and    P.   sabaji    by having the dentaries meet at an angle greater than 90°. The species also have similarities to    Hemiancistrus   , and can be separated from all described species by having dorsal saddles. We discuss the taxonomy of    Peckoltia   ,    Hemiancistrus   , and allied genera and recognize    Ancistomus    as valid for    P.   feldbergae   ,    H.   micrommatos   ,    Ancistrus   snethlageae   ,    H.   spilomma   , and    H.   spinosissimus   . We recommend descriptions of genera for several clades of    Hemiancistrus    and restriction of    Hemiancistrus    to the type species of the genus,    H.   medians   .    Chaetostomus   macrops    is transferred to    Pseudancistrus    and recognized as a junior synonym of    P.   megacephalus   . The    Hemiancistrus   annectens    group of species (   H.   annectens   ,    H.   argus   ,    H.   aspidolepis   ,    H.   fugleri   ,    H.   holostictus   ,    H.   maracaiboensis   ,    H.   panamensis   ,    H.   wilsoni   ) are recognized in    Hypostomus   . Multivariate analysis reveals that the newly described species differ from one another in shape space, but overlap broadly with other    Peckoltia    (   P.   lujani   ), narrowly with other    Peckoltia    (   P.   greedoi   ), or broadly with    Etsaputu    (   P.   ephippiata   ).

Three new species of saddled loricariid catfishes, and a review of Hemiancistrus , Peckoltia , and allied genera ( Siluriformes )