100 lines
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100 lines
12 KiB
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<document id="E18748AC614FDCEAA57321F0857FE404" ENCODING="UTF-8" ID-GBIF-Dataset="eb1e171a-3f8e-49b6-963a-fffbb39f8bf1" ModsDocID="z01361p001" checkinTime="1247129890940" checkinUser="thomas" docAuthor="Rainer Sonnenberg, Thomas Blum & Bernhard Y. Misof" docDate="2006" docId="5877C4723A09D81CF2DF048E7F5AC033" docLanguage="en" docName="2006_Sonnenberg_Blum_Misof_gg1.xml" docOrigin="Zootaxa 1361" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:E03B6B46-4B30-4D8C-990E-32FEAF3FB143" docTitle="Episemion Radda & Puerzl" docType="treatment" docVersion="12" lastPageNumber="2" masterDocId="8DA286F952EC4CC6A877C8558E08A100" masterDocTitle="Description of a new Episemion species (Cyprinodontiformes: Nothobranchiidae) from northern Gabon and southeastern Equatorial Guinea." masterLastPageNumber="20" masterPageNumber="1" pageNumber="2" updateTime="1701314509337" updateUser="plazi">
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<mods:titleInfo id="9D11007D25FBDF2E28FE861959F17CBC">
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<mods:title id="C46CE2B410F986F23CB051429FE5FBA8">Description of a new Episemion species (Cyprinodontiformes: Nothobranchiidae) from northern Gabon and southeastern Equatorial Guinea.</mods:title>
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</mods:titleInfo>
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<mods:name id="30D19096EB6073EB47BB807714DC0484" type="personal">
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<mods:roleTerm id="92776895BBADC0002F306E551B2242B4">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="9474F4C0AF6A379A991CEFECD4407C22">Rainer Sonnenberg</mods:namePart>
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</mods:name>
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<mods:name id="654252070DDC02EDE99E71D8C54089C1" type="personal">
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<mods:namePart id="B36407FD3D41A813668446ED956F946C">Thomas Blum</mods:namePart>
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</mods:name>
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<mods:name id="47C233EDA54D1AF0B1B2C215435DEC2C" type="personal">
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<mods:roleTerm id="EB90BCF497518180E99BFB97B05ABA93">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="78C470EF648F088F82DDFB3FA0C9F581">Bernhard Y. Misof</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="6F550113934004E08675703891D14563">text</mods:typeOfResource>
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<mods:title id="BD9307C30CC3A84627BB4226FE00FED7">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="3B068026B68BC1B17561BCF7038EF7E7">
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<mods:date id="06AA09B1FD441DA315D2B23EF76A8955">2006</mods:date>
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<mods:detail id="F0C69278DD56533F51B10EB6110ADD1C" type="volume">
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<mods:number id="52F69E1AFDAC2955DA20A99E904E15E2">1361</mods:number>
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<mods:url id="A5E2C5765B6F63851BF0A08E7B8390AB">http://www.zoobank.org/urn:lsid:zoobank.org:pub:E03B6B46-4B30-4D8C-990E-32FEAF3FB143</mods:url>
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</mods:location>
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<mods:classification id="765AC0E86E14CCF48CC8EFF9C5A33A2F">journal article</mods:classification>
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<mods:identifier id="3E45F4182F755C317EE0EA338F777878" type="Plazi-Custom">z01361p001</mods:identifier>
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<mods:identifier id="9C0EECD22BCD60764AB66B44A0649086" type="ZooBank">E03B6B46-4B30-4D8C-990E-32FEAF3FB143</mods:identifier>
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<treatment id="5877C4723A09D81CF2DF048E7F5AC033" ID-DOI="http://doi.org/10.5281/zenodo.6261219" ID-GBIF-Taxon="100122230" ID-Zenodo-Dep="6261219" LSID="urn:lsid:plazi:treatment:5877C4723A09D81CF2DF048E7F5AC033" httpUri="http://treatment.plazi.org/id/5877C4723A09D81CF2DF048E7F5AC033" lastPageNumber="2" pageNumber="2">
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<subSubSection id="215F7701181F2804680BC8BE70350119" type="nomenclature">
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<paragraph id="7E1AF01B832FBAAB0B2ADE5884FBDAF2">
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[[ Genus
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<taxonomicName id="6D1D3AD064515317549907D275473ADA" ID-CoL="4DDL" ID-ENA="406274" LSID-ZBK="urn:lsid:zoobank.org:act:29414993-65FF-4F0D-A669-69490FE216D3" family="Nothobranchiidae" genus="Episemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Episemion Epiplatys Radda & Pürzl 1987:18" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Episemion Radda & Puerzl</taxonomicName>
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]]
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</paragraph>
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</subSubSection>
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<subSubSection id="E8A75D4B587871420BF8F9B4818E37D8" type="discussion">
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<paragraph id="50CB45FF96223E5522848D643C44BCCD" pageNumber="2">
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The currently monotypic genus
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<taxonomicName id="AE609653D6242A991EDE7DF1169BD8B4" LSID-ZBK="urn:lsid:zoobank.org:act:29414993-65FF-4F0D-A669-69490FE216D3" family="Nothobranchiidae" genus="Episemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Episemion Epiplatys Radda & Pürzl 1987:18" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Episemion</taxonomicName>
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was erected by Radda &
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<normalizedToken id="CFD1B3D350A136343B2937ECE1E8CE19" originalValue="Pürzl">Puerzl</normalizedToken>
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(1987a) with the description of
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<taxonomicName id="80DCC8E31F201DA49699853BB6AF3ADC" LSID-ZBK="urn:lsid:zoobank.org:act:8DB31050-4D43-4C59-95AA-2E5BB22433E9" family="Nothobranchiidae" genus="Episemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epiplatys Episemion callipteron Radda & Pürzl 1987:17" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="species" species="callipteron">
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Episemion callipteron Radda &
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<normalizedToken id="5E219E0094CCE3091B5E1DF8F253F137" originalValue="Pürzl">Puerzl</normalizedToken>
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, 1987
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</taxonomicName>
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, a then newly discovered species from the northern inland plateau of Gabon. The genus appears to have no close affinities to any other African Nothobranchiidae. Its phylogenetic placement is still uncertain, and two different hypotheses are currently under debate. Some authors place
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<taxonomicName id="05AD74755DCD6D22F9F2674E3C635B02" LSID-ZBK="urn:lsid:zoobank.org:act:29414993-65FF-4F0D-A669-69490FE216D3" family="Nothobranchiidae" genus="Episemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Episemion Epiplatys Radda & Pürzl 1987:18" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Episemion</taxonomicName>
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within, or close to, the genus
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<taxonomicName id="A5554BA276D23520DAD4E960C4928042" LSID-ZBK="urn:lsid:zoobank.org:act:84332B3A-C9BA-4AFC-B6CB-CBCB95E2F582" family="Nothobranchiidae" genus="Epiplatys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epiplatys Gill 1862:136" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Epiplatys Gill, 1862</taxonomicName>
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(Nothobranchiidae: Epiplateinae), categorized as a subgenus without any supporting characters except for a very general similarity in color pattern and body outline (Radda &
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<normalizedToken id="280239C14DB83C31279C452B2A5609FD" originalValue="Pürzl">Puerzl</normalizedToken>
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, 1987a,b; Neumann, 2000). Other authors have placed it, more convincingly, within the Nothobranchiinae and close to
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<taxonomicName id="82D6C12C9C56C1CF0C7BB378BF1CDA49" LSID-ZBK="urn:lsid:zoobank.org:act:831414C0-F136-48C8-ADAA-3EDCF5EEB761" family="Nothobranchiidae" genus="Aphyosemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Aphyosemion Myers 1924:2" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Aphyosemion Myers, 1924</taxonomicName>
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, based on a number of morphological characters, including the frontal and preopercular neuromast system (van der Zee, 2002; Wildekamp, 1996). Although it seems highly probable that
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<taxonomicName id="E3454B2FCE6873DF131955C7143612A8" LSID-ZBK="urn:lsid:zoobank.org:act:29414993-65FF-4F0D-A669-69490FE216D3" family="Nothobranchiidae" genus="Episemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Episemion Epiplatys Radda & Pürzl 1987:18" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Episemion</taxonomicName>
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is a genus in the large
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<taxonomicName id="BEFB315803AD118377DFE2430555A1A1" LSID-ZBK="urn:lsid:zoobank.org:act:831414C0-F136-48C8-ADAA-3EDCF5EEB761" family="Nothobranchiidae" genus="Aphyosemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Aphyosemion Myers 1924:2" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Aphyosemion (sensu lato) complex</taxonomicName>
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, its relationship to other groups remains unclear. Van der Zee (2002) and Huber (1998a) assumed a relationship to a group composed of
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<taxonomicName id="06C1FE4CFF15B9BE9A9B73BCB0BEB0A7" LSID-ZBK="urn:lsid:zoobank.org:act:10DF0F9D-4060-4E5F-A156-DFE88550256D" family="Nothobranchiidae" genus="Aphyosemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Chromaphyosemion Aphyosemion Radda 1971:118" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="subGenus" subGenus="Chromaphyosemion">Chromaphyosemion Radda, 1971</taxonomicName>
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,
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<taxonomicName id="FD2BCF1F94265ED42B9186A10E118B36" LSID-ZBK="urn:lsid:zoobank.org:act:CE891DAB-5799-4BB6-A639-BF3BA292FCA5" family="Nothobranchiidae" genus="Aphyosemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Diapteron Aphyosemion Huber & Seegers 1977:146" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Diapteron Huber & Seegers, 1977</taxonomicName>
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and
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<taxonomicName id="7242FE3563721773F5E76BFF14BCD842" LSID-ZBK="urn:lsid:zoobank.org:act:D331AE06-101D-4C71-8924-A55EF8FAF8BC" family="Nothobranchiidae" genus="Aphyosemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Kathetys Aphyosemion Huber 1977:unnum. p. 10" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="subGenus" subGenus="Kathetys">Kathetys Huber, 1977</taxonomicName>
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. A closer affinity to
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<taxonomicName id="650080A3F747469A6881BB85A3143EDF" LSID-ZBK="urn:lsid:zoobank.org:act:84332B3A-C9BA-4AFC-B6CB-CBCB95E2F582" family="Nothobranchiidae" genus="Epiplatys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epiplatys Gill 1862:136" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Epiplatys</taxonomicName>
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is highly unlikely following the study of van der Zee (2002).
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</paragraph>
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<paragraph id="4BBA9F12916BD34B3E358D8E970DCF34" pageNumber="2">
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At this time only a small number of additional
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<taxonomicName id="8469F3293B11E8FAE6688628C998C8AF" LSID-ZBK="urn:lsid:zoobank.org:act:29414993-65FF-4F0D-A669-69490FE216D3" family="Nothobranchiidae" genus="Episemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Episemion Epiplatys Radda & Pürzl 1987:18" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="genus">Episemion</taxonomicName>
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localities from Gabon and Equatorial Guinea are known, aside from the type locality (Map 1). Populations from northern parts of the Monts de Cristal in Gabon and in adjacent parts of southeastern Equatorial Guinea differ in color pattern from the typical
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<taxonomicName id="ADDDD27EE7E6F9C98F13FA27DDA5967D" LSID-ZBK="urn:lsid:zoobank.org:act:8DB31050-4D43-4C59-95AA-2E5BB22433E9" family="Nothobranchiidae" genus="Episemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epiplatys Episemion callipteron Radda & Pürzl 1987:17" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="species" species="callipteron">Episemion callipteron</taxonomicName>
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. During a study of the cyprinodontiform fishes of northern Gabon, we were able to collect specimens of this genus in the Monts de Cristal region. Data presented here are mainly based on these collections and on additional material from Equatorial Guinea provided by M. Juhl, as well as a specimen from an aquarium strain originating from the first collection at the type locality of
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<taxonomicName id="EACC9005BD44FB7DF123B73613CA1B46" LSID-ZBK="urn:lsid:zoobank.org:act:8DB31050-4D43-4C59-95AA-2E5BB22433E9" family="Nothobranchiidae" genus="Episemion" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Epiplatys Episemion callipteron Radda & Pürzl 1987:17" order="Cyprinodontiformes" pageNumber="2" phylum="Chordata" rank="species" species="callipteron">Ep. callipteron</taxonomicName>
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(GWW 86/20). This material has allowed us to test the taxonomic status of the aberrant populations using mitochondrial DNA data and to make first assumptions on the systematic position of this genus.
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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