109 lines
14 KiB
XML
109 lines
14 KiB
XML
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<mods:title id="64F9B30924C11FB17962B6B43DCFFD5F">Akrokolioplax, a new genus of Southeast Asian labeonine fishes (Teleostei: Cyprinidae).</mods:title>
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<mods:namePart id="E7AD7FBA68850366790C2F08D451E456">E Zhang</mods:namePart>
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<mods:roleTerm id="124FA04D2B29A7810BDABD20D084C7A2">Author</mods:roleTerm>
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<mods:namePart id="8D3C86A08118CC9EA406DE4CA67DA426">Maurice Kottelat</mods:namePart>
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<mods:title id="5281D720146C75ADE353255668E0078F">Zootaxa</mods:title>
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<mods:part id="643C9F470F4AB4695BFF775EE5EC4DAD">
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<mods:date id="CA1947BE7BC88AE116AD1696610DA584">2006</mods:date>
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<mods:number id="E18A31B03E54CCCE9877C0BACC505DF4">1225</mods:number>
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<mods:classification id="6383689832D6D8BA3C6B6B787DC0CCFF">journal article</mods:classification>
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<treatment id="E216F0479F21CD00BCF9013F96B6D5B5" ID-DOI="http://doi.org/10.5281/zenodo.6261445" ID-GBIF-Taxon="100122085" ID-Zenodo-Dep="6261445" LSID="urn:lsid:plazi:treatment:E216F0479F21CD00BCF9013F96B6D5B5" httpUri="http://treatment.plazi.org/id/E216F0479F21CD00BCF9013F96B6D5B5" lastPageNumber="22" pageNumber="21">
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<subSubSection id="F7F5543DC4046ED3D1E6A3527043FF85" type="nomenclature">
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<paragraph id="09C83645F9441AF7D994228C97F3EAB5" pageNumber="21">
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[[ Genus
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<taxonomicName id="A4479745AA7A8D77EE009283560F19B4" ID-CoL="4CQF" ID-ENA="98647" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="genus">Epalzeorhynchos Bleeker</taxonomicName>
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]]
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</paragraph>
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</subSubSection>
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<subSubSection id="616D037604B9BDA319F58B1BBBAB4887" type="discussion">
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<paragraph id="2653C38B86F9436B3B9334213FCBA1B0" pageNumber="21">
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The Labeoninae (sensu Chen et al., 1984), which is essentially equivalent to the Labeines of Reid (1982) or the tribe Labeone (= Labeonini) of Rainboth (1991, 1996), includes cyprinid fishes widely distributed in the fresh waters of tropical Africa and Asia. Most of these fishes are adapted to fast flowing waters. Members of this subfamily show a high degree of morphological modification in oromandibular structures, which is the basis for recognition of most of its included genera. To date, twenty-seven Labeonine genera have been recognized from eastern and southeastern Asia (Rainboth, 1991; Zhang & Chen, 2004). Among these,
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<taxonomicName id="DC9EDEF5C246FC10CED6A28140D93AF6" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="genus">Epalzeorhynchos Bleeker, 1855</taxonomicName>
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(type species:
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<taxonomicName id="90618051C2B08F49A922382803599B18" LSID-ZBK="urn:lsid:zoobank.org:act:FD3B3440-09A1-40A3-8CA0-1A2A72BB9BC9" family="Cyprinidae" genus="Barbus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Barbus kalopterus Bleeker 1851:13" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="species" species="kalopterus">Barbus kalopterus Bleeker, 1851</taxonomicName>
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) is diagnosed by having a pair of moveable lateral lobes on the snout, which are also called “fleshy rostral papilla” (Roberts, 1989) or “posteriorly free lateral lobes” (Yang & Winterbottom, 1998). Five valid species have so far been identified in
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<taxonomicName id="1B8E8CF8DA06B5BEEED0F78506DF495F" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="genus">Epalzeorhynchos</taxonomicName>
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:
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<taxonomicName id="C7E980B2C54E61F1CBC6FBAECA4CA815" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="species" species="bicolor">E. bicolor</taxonomicName>
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,
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<taxonomicName id="9079DE9266022C85B80A862958519ADD" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="species" species="bicornis">E. bicornis</taxonomicName>
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,
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<taxonomicName id="EB88C7EB8816A4ED5160535E3533B9F7" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="species" species="frenatus">E. frenatus</taxonomicName>
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,
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<taxonomicName id="46188A776DBD677A12EA26A486D11361" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="species" species="kalopterus">E. kalopterus</taxonomicName>
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, and
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<taxonomicName id="99EE369719F219D273CABEFC8FF2BADD" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="21" phylum="Chordata" rank="species" species="munensis">E. munensis</taxonomicName>
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.
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</paragraph>
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<paragraph id="C7118EBC92C9AECA35CCA569D7D8A9DC" pageNumber="22">
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<taxonomicName id="99D6E0F5948192A2ED0C85EA9711B04F" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="species" species="bicornis">Epalzeorhynchos bicornis</taxonomicName>
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was described by Wu et al. (1977), based on a single 140 mm SL specimen from the upper Salween River (= Nu Jiang in Chinese) basin in Liuku County, Yunnan Province, China. Although
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<taxonomicName id="A66C9B9C6E5AA0A409AD04254290775A" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="species" species="bicornis">E. bicornis</taxonomicName>
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is currently regarded as valid (Chu & Cui, 1989; Chen, 1998; Zhang et al., 2000), its generic position is still unclear. Kottelat (1989) commented that
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<taxonomicName id="62F1AE2A022F032EEC893CA54E0CD6E9" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="species" species="bicornis">E. bicornis</taxonomicName>
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does not belong in
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<taxonomicName id="290207351FD55F15CFE563C77E9EFF2C" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Epalzeorhynchos</taxonomicName>
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, but did not elaborate further. Yang and Winterbottom (1998) investigated the relationships among the five currently identified species of
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<taxonomicName id="07DCC082B540EB788D34334966A836F7" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Epalzeorhynchos</taxonomicName>
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. They demonstrated that
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<taxonomicName id="8FF1CA4E8C6456EC88D1177BE3FB3003" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="species" species="bicornis">E. bicornis</taxonomicName>
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is sister to
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<taxonomicName id="011126AF8FE79B164CC54D16B9453217" LSID-ZBK="urn:lsid:zoobank.org:act:5F425B29-C4AC-46B4-8125-D8C710AD8BB9" family="Cyprinidae" genus="Paracrossochilus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Paracrossochilus Popta 1904:200" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Paracrossochilus</taxonomicName>
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when
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<taxonomicName id="840C061ACF871F9E9B8C60B29BC19E14" family="Cyprinidae" genus="Crossocheilus" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Crossocheilus</taxonomicName>
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is used as the outgroup, and that it is basal to the clade that includes
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<taxonomicName id="58DB5611BD56CD9203E3C0ED4E2D89E0" family="Cyprinidae" genus="Crossocheilus" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Crossocheilus</taxonomicName>
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and other species of
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<taxonomicName id="225092F45CA8F4243E9A5421A201763D" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Epalzeorhynchos</taxonomicName>
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, when
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<taxonomicName id="B845EDF35BD31FCFDF5F42D577EB5F7E" LSID-ZBK="urn:lsid:zoobank.org:act:5F425B29-C4AC-46B4-8125-D8C710AD8BB9" family="Cyprinidae" genus="Paracrossochilus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Paracrossochilus Popta 1904:200" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Paracrossochilus</taxonomicName>
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is utilized as the outgroup. These findings led Yang and Winterbottom to conclude that
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<taxonomicName id="2954182851AA44E121A067C11891AA22" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="species" species="bicornis">E. bicornis</taxonomicName>
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should not be placed in
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<taxonomicName id="D50D43D097C4DE67DA5F167D7E96AC57" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Epalzeorhynchos</taxonomicName>
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, but they stopped short of erecting a new genus for its reception.
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</paragraph>
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<paragraph id="C7B92CB07A7DE27FD81529D66AE2D555" pageNumber="22">
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Kottelat’s (1989) and Yang and Winterbottom’s (1998) observation that
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<taxonomicName id="C0963894B7C6AD0F39948ABE5C2CB3AE" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="species" species="bicornis">E. bicornis</taxonomicName>
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is not immediately associated with the other species of
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<taxonomicName id="8BA100FA85AF41D984F1A0EDC2CE5B71" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Epalzeorhynchos</taxonomicName>
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is corroborated by marked differences we found in position and structure of the moveable lateral lobes on the snout and the morphology of the oromandibular structures. Morphology of the oromandibular structures is diagnostic for many Labeoninae genera (Zhang et al., 2000; Zhang & Chen, 2004), and the differences we observed among species of
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<taxonomicName id="97DCD6DD99BD86FC876B5E1A09D9ED42" LSID-ZBK="urn:lsid:zoobank.org:act:5D5C78EA-1E5B-4C98-8CB2-677B409FBBD2" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epalzeorhynchos Bleeker 1855:258, 270" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="genus">Epalzeorhynchos</taxonomicName>
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indicate that
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<taxonomicName id="F31E11A6EA0058D34760D4E04E6D3F43" family="Cyprinidae" genus="Epalzeorhynchos" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageNumber="22" phylum="Chordata" rank="species" species="bicornis">E. bicornis</taxonomicName>
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belongs to a distinct genus, which we describe and name in the present paper.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |